Densities of the elements (data page)

Main article: Density

Density, solid phase

2 He helium-4
Hoffer et al.	0.19085 g/cm³ (from 20.9730 cm³/mole; hcp crystal melting to He-II superfluid at 0 °K, 25.00 atm)
	0.19083 g/cm³ (from 20.9749 cm³/mole; at local min. density, hcp melting to He-II: 0.884 °K, 25.00 atm)
	0.19142 g/cm³ (from 20.910 cm³/mole; hcp at triple point hcp−bcc−He-II: 1.463 °K, 26.036 atm)
	0.18971 g/cm³ (from 21.098 cm³/mole; bcc at triple point hcp−bcc−He-II: 1.463 °K, 26.036 atm)
	0.19406 g/cm³ (from 20.626 cm³/mole; hcp at triple point hcp−bcc−He-I: 1.772 °K, 30.016 atm)
	0.19208 g/cm³ (from 20.8381 cm³/mole; bcc at triple point hcp−bcc−He-I: 1.772 °K, 30.016 atm)
3 Li lithium
use	0.534 g/cm³
WEL	(near r.t.) 535 kg/m³
LNG	(at 20 °C) 0.534 g/cm³
CRC	(near r.t.) 0.534 g/cm³
4 Be beryllium
use	1.85 g/cm³
WEL	(near r.t.) 1848 kg/m³
LNG	(at 20 °C) 1.8477 g/cm³
CRC	(near r.t.) 1.85 g/cm³
5 B boron
use	2.34 g/cm³
WEL	(near r.t.) 2460 kg/m³
LNG	(at r.t.) 2.34 g/cm³
CRC	(near r.t.) 2.34 g/cm³
6 C carbon (graphite)
use	2.267 g/cm³
WEL	(near r.t.) 2267 kg/m³
LNG	(at r.t.) 2.267 g/cm³
CRC	(near r.t.) 2.2 g/cm³
6 C carbon (diamond)
use	3.513 g/cm³
LNG	(at r.t.) 3.513 g/cm³
CRC	(near r.t.) 3.513 g/cm³
11 Na sodium
use	0.968 g/cm³
WEL	(near r.t.) 968 kg/m³
LNG	(at 20 °C) 0.968 g/cm³
CRC	(near r.t.) 0.97 g/cm³
12 Mg magnesium
use	1.738 g/cm³
WEL	(near r.t.) 1738 kg/m³
LNG	(at 20 °C) 1.738 g/cm³
CRC	(near r.t.) 1.74 g/cm³
13 Al aluminium
use	2.70 g/cm³
WEL	(near r.t.) 2700 kg/m³
LNG	(at r.t.) 2.70 g/cm³
CRC	(near r.t.) 2.70 g/cm³
14 Si silicon
use	2.33 g/cm³
WEL	(near r.t.) 2330 kg/m³
LNG	(at r.t.) 2.33 g/cm³
CRC	(near r.t.) 2.3290 g/cm³
15 P phosphorus (white)
use	1.823 g/cm³
WEL	(near r.t.) 1823 kg/m³
LNG	(at 25 °C) 1.823 g/cm³
CRC	(near r.t.) 1.823 g/cm³
15 P phosphorus (red)
use	2.34 g/cm³
LNG	(at r.t.) 2.34 g/cm³
CRC	(near r.t.) 2.16 g/cm³
15 P phosphorus (black)
use	2.69 g/cm³
CRC	(near r.t.) 2.69 g/cm³
16 S sulfur (orthorhombic, alpha)
use	2.08 g/cm³
WEL	? (1960 kg/m³)
LNG	(at 20 °C) 2.08 g/cm³
CRC	(near r.t.) 2.07 g/cm³
16 S sulfur (monoclinic, beta)
use	1.96 g/cm³
WEL	? (1960 kg/m³)
LNG	(at r.t.) 1.96 g/cm³
CRC	? (near r.t.) 2.07 g/cm³
16 S sulfur (gamma)
use	1.92 g/cm³
LNG	(at r.t.) 1.92 g/cm³
19 K potassium
use	0.89 g/cm³
WEL	(near r.t.) 856 kg/m³
LNG	(at r.t.) 0.89 g/cm³
CRC	(near r.t.) 0.89 g/cm³
20 Ca calcium
use	1.55 g/cm³
WEL	(near r.t.) 1550 kg/m³
LNG	(at r.t.) 1.55 g/cm³
CRC	(near r.t.) 1.54 g/cm³
21 Sc scandium (hexagonal ?)
use	2.985 g/cm³
WEL	(near r.t.) 2985 kg/m³
LNG	(at r.t.) (hexagonal) 2.985 g/cm³
CRC	(near r.t.) 2.99 g/cm³
22 Ti titanium (hexagonal ?)
use	4.506 g/cm³
WEL	(near r.t.) 4507 kg/m³
LNG	(at r.t.) (hexagonal) 4.506 g/cm³
CRC	(near r.t.) 4.506 g/cm³
23 V vanadium
use	6.0 g/cm³
WEL	(near r.t.) 6110 kg/m³
LNG	(at 19 °C) 6.11 g/cm³
CRC	(near r.t.) 6.0 g/cm³
24 Cr chromium
use	7.15 g/cm³
WEL	(near r.t.) 7140 kg/m³
LNG	(at r.t.) 7.15 g/cm³
CRC	(near r.t.) 7.15 g/cm³
25 Mn manganese
use	7.21 g/cm³
WEL	(near r.t.) 7470 kg/m³
LNG	(at 20 °C) 7.21 g/cm³
CRC	(near r.t.) 7.3 g/cm³
26 Fe iron
use	7.86 g/cm³
WEL	(near r.t.) 7874 kg/m³
LNG	(at r.t.) 7.86 g/cm³
CRC	(near r.t.) 7.87 g/cm³
27 Co cobalt
use	8.90 g/cm³
WEL	(near r.t.) 8900 kg/m³
LNG	(at r.t.) 8.90 g/cm³
CRC	(near r.t.) 8.86 g/cm³
28 Ni nickel
use	8.908 g/cm³
WEL	(near r.t.) 8908 kg/m³
LNG	(at 20 °C) 8.908 g/cm³
CRC	(near r.t.) 8.90 g/cm³
29 Cu copper
use	8.96 g/cm³
WEL	(near r.t.) 8920 kg/m³
LNG	(at 20 °C) 8.96 g/cm³
CRC	(near r.t.) 8.96 g/cm³
30 Zn zinc
use	7.14 g/cm³
WEL	(near r.t.) 7140 kg/m³
LNG	(at r.t.) 7.14 g/cm³
CRC	(near r.t.) 7.14 g/cm³
31 Ga gallium
use	5.91 g/cm³
WEL	(near r.t.) 5904 kg/m³
LNG	(at 29.6 °C) 5.904 g/cm³
CRC	(near r.t.) 5.91 g/cm³
32 Ge germanium
use	5.323 g/cm³
WEL	(near r.t.) 5323 kg/m³
LNG	(at r.t.) 5.323 g/cm³
CRC	(near r.t.) 5.3234 g/cm³
33 As arsenic
use	5.727 g/cm³
WEL	(near r.t.) 5727 kg/m³
LNG	(at 25 °C) (5.727 rel. to water at 4 °C)
CRC	(near r.t.) 5.75 g/cm³
34 Se selenium (hexagonal, gray)
use	4.81 g/cm³
WEL	(near r.t.) 4819 kg/m³
LNG	(at 20 °C) (4.81 rel. to water at 4 °C)
CRC	(near r.t.) 4.81 g/cm³
34 Se selenium (alpha)
use	4.39 g/cm³
WEL	? (4819 kg/m³)
CRC	(near r.t.) 4.39 g/cm³
34 Se selenium (vitreous)
use	4.28 g/cm³
WEL	? (4819 kg/m³)
CRC	(near r.t.) 4.28 g/cm³
37 Rb rubidium
use	1.532 g/cm³
WEL	(near r.t.) 1532 kg/m³
LNG	(at r.t.) 1.532 g/cm³
CRC	(near r.t.) 1.53 g/cm³
38 Sr strontium
use	2.64 g/cm³
WEL	(near r.t.) 2630 kg/m³
LNG	(at r.t.) 2.64 g/cm³
CRC	(near r.t.) 2.64 g/cm³
39 Y yttrium
use	4.472 g/cm³
WEL	(near r.t.) 4472 kg/m³
LNG	(at r.t.) 4.472 g/cm³
CRC	(near r.t.) 4.47 g/cm³
40 Zr zirconium
use	6.52 g/cm³
WEL	(near r.t.) 6511 kg/m³
LNG	(at r.t.) 6.52 g/cm³
CRC	(near r.t.) 6.52 g/cm³
41 Nb niobium
use	8.57 g/cm³
WEL	(near r.t.) 8570 kg/m³
LNG	(at 20 °C) 8.57 g/cm³
CRC	(near r.t.) 8.57 g/cm³
42 Mo molybdenum
use	10.28 g/cm³
WEL	(near r.t.) 10280 kg/m³
LNG	(at r.t.) 10.28 g/cm³
CRC	(near r.t.) 10.2 g/cm³
43 Tc technetium (Tc-98 ?)
use	11 g/cm³
WEL	(near r.t.) 11500 kg/m³
LNG	(at r.t.) (Tc-98) 11 g/cm³
CRC	(near r.t.) 11 g/cm³
44 Ru ruthenium
use	12.45 g/cm³
WEL	(near r.t.) 12370 kg/m³
LNG	(at 20 °C) (12.45 rel. to water at 4 °C)
CRC	(near r.t.) 12.1 g/cm³
45 Rh rhodium
use	12.41 g/cm³
WEL	(near r.t.) 12450 kg/m³
LNG	(at 20 °C) 12.41 g/cm³
CRC	(near r.t.) 12.4 g/cm³
46 Pd palladium
use	12.023 g/cm³
WEL	(near r.t.) 12023 kg/m³
LNG	(at 20 °C) 12.023 g/cm³
CRC	(near r.t.) 12.0 g/cm³
47 Ag silver
use	10.49 g/cm³
WEL	(near r.t.) 10490 kg/m³
LNG	(at r.t.) 10.49 g/cm³
CRC	(near r.t.) 10.5 g/cm³
48 Cd cadmium
use	8.65 g/cm³
WEL	(near r.t.) 8650 kg/m³
LNG	(at 25 °C) 8.65 g/cm³
CRC	(near r.t.) 8.69 g/cm³
49 In indium
use	7.31 g/cm³
WEL	(near r.t.) 7310 kg/m³
LNG	(at r.t.) 7.31 g/cm³
CRC	(near r.t.) 7.31 g/cm³
50 Sn tin (white)
use	7.265 g/cm³
WEL	(near r.t.) 7310 kg/m³
LNG	(at r.t.) 7.265 g/cm³
CRC	(near r.t.) 7.265 g/cm³
50 Sn tin (gray)
use	5.769 g/cm³
CRC	(near r.t.) 5.769 g/cm³
51 Sb antimony
use	6.697 g/cm³
WEL	(near r.t.) 6697 kg/m³
LNG	(at 25 °C) 6.697 g/cm³
CRC	(near r.t.) 6.68 g/cm³
52 Te tellurium
use	6.24 g/cm³
WEL	(near r.t.) 6240 kg/m³
LNG	(at r.t.) 6.24 g/cm³
CRC	(near r.t.) 6.24 g/cm³
53 I iodine (I₂)
use	4.933 g/cm³
WEL	(near r.t.) 4940 kg/m³
LNG	(at 25 °C) 4.63 g/cm³
CRC	(near r.t.) 4.933 g/cm³
55 Cs caesium
use	1.93 g/cm³
WEL	(near r.t.) 1879 kg/m³
LNG	(at 15 °C) 1.8785 g/cm³
CRC	(near r.t.) 1.93 g/cm³
56 Ba barium
use	3.51 g/cm³
WEL	(near r.t.) 3510 kg/m³
LNG	(at 20 °C) 3.51 g/cm³
CRC	(near r.t.) 3.62 g/cm³
57 La lanthanum
use	6.162 g/cm³
WEL	(near r.t.) 6146 kg/m³
LNG	(at r.t.) 6.162 g/cm³
CRC	(near r.t.) 6.15 g/cm³
58 Ce cerium
use	6.770 g/cm³
WEL	(near r.t.) 6689 kg/m³
LNG	(at r.t.) 6.773 g/cm³
CRC	(near r.t.) 6.770 g/cm³
59 Pr praseodymium (alpha ?)
use	6.77 g/cm³
WEL	(near r.t.) 6640 kg/m³
LNG	(at r.t.) (alpha) 6.475 g/cm³
CRC	(near r.t.) 6.77 g/cm³
60 Nd neodymium
use	7.01 g/cm³
WEL	(near r.t.) 6800 kg/m³
LNG	(at r.t.) 7.01 g/cm³
CRC	(near r.t.) 7.01 g/cm³
61 Pm promethium (Pm-147 ?)
use	7.26 g/cm³
WEL	(near r.t.) 7264 kg/m³
LNG	(at r.t.) (Pm-147) 7.22 g/cm³
CRC	(near r.t.) 7.26 g/cm³
62 Sm samarium
use	7.52 g/cm³
WEL	(near r.t.) 7353 kg/m³
LNG	(at r.t.) 7.52 g/cm³
CRC	(near r.t.) 7.52 g/cm³
63 Eu europium
use	5.244 g/cm³
WEL	(near r.t.) 5244 kg/m³
LNG	(at r.t.) 5.244 g/cm³
CRC	(near r.t.) 5.24 g/cm³
64 Gd gadolinium
use	7.90 g/cm³
WEL	(near r.t.) 7901 kg/m³
LNG	(at r.t.) 7.90 g/cm³
CRC	(near r.t.) 7.90 g/cm³
65 Tb terbium
use	8.23 g/cm³
WEL	(near r.t.) 8219 kg/m³
LNG	(at r.t.) 8.23 g/cm³
CRC	(near r.t.) 8.23 g/cm³
66 Dy dysprosium
use	8.540 g/cm³
WEL	(near r.t.) 8551 kg/m³
LNG	(at 25 °C) 8.540 g/cm³
CRC	(near r.t.) 8.55 g/cm³
67 Ho holmium
use	8.79 g/cm³
WEL	(near r.t.) 8795 kg/m³
LNG	(at r.t.) 8.79 g/cm³
CRC	(near r.t.) 8.80 g/cm³
68 Er erbium
use	9.066 g/cm³
WEL	(near r.t.) 9066 kg/m³
LNG	(at r.t.) 9.066 g/cm³
CRC	(near r.t.) 9.07 g/cm³
69 Tm thulium
use	9.32 g/cm³
WEL	(near r.t.) 9321 kg/m³
LNG	(at r.t.) 9.32 g/cm³
CRC	(near r.t.) 9.32 g/cm³
70 Yb ytterbium
use	6.90 g/cm³
WEL	(near r.t.) 6570 kg/m³
LNG	(at r.t.) 6.90 g/cm³
CRC	(near r.t.) 6.90 g/cm³
71 Lu lutetium
use	9.841 g/cm³
WEL	(near r.t.) 9841 kg/m³
LNG	(at r.t.) 9.841 g/cm³
CRC	(near r.t.) 9.84 g/cm³
72 Hf hafnium
use	13.31 g/cm³
WEL	(near r.t.) 13310 kg/m³
LNG	(at r.t.) 13.31 g/cm³
CRC	(near r.t.) 13.3 g/cm³
73 Ta tantalum
use	16.69 g/cm³
WEL	(near r.t.) 16650 kg/m³
LNG	(at r.t.) 16.69 g/cm³
CRC	(near r.t.) 16.4 g/cm³
74 W tungsten
use	19.25 g/cm³
WEL	(near r.t.) 19250 kg/m³
LNG	(at r.t.) 19.25 g/cm³
CRC	(near r.t.) 19.3 g/cm³
75 Re rhenium
use	21.02 g/cm³
WEL	(near r.t.) 21020 kg/m³
LNG	(at r.t.) 21.02 g/cm³
CRC	(near r.t.) 20.8 g/cm³
76 Os osmium
use	22.59 g/cm³
WEL	(near r.t.) 22610 kg/m³
LNG	(at 20 °C) 22.61 g/cm³
CRC	(near r.t.) 22.59 g/cm³
77 Ir iridium
use	22.56 g/cm³
WEL	(near r.t.) 22650 kg/m³
LNG	(at 20 °C) (22.65 rel. to water at 4 °C)
CRC	(near r.t.) 22.5 g/cm³
78 Pt platinum
use	21.45 g/cm³
WEL	(near r.t.) 21090 kg/m³
LNG	(at 20 °C) 21.09 g/cm³
CRC	(near r.t.) 21.5 g/cm³
References according to http://hypertextbook.com/facts/2004/OliviaTai.shtml: 21.45 g/cm³ — Zumdahl, Steven S., Zumdahl, Susan L., & Decoste, Donald J. World of Chemistry. Boston: Houghton Mifflin Company, 2002: 141. 21.45×10³ kg/m³ — Grigoriev, Igor S. & Meilikhov, Evgenii Z. Handbook of Physical Quantities. Boca Raton: CRC Press, 1997: 116. 21.450 g/cm³ — Savitskii, E.M. Physical Metallurgy of Platinum Metals. New York: Pergamon Press, 1978: 31. (20 °C) 21.45 g/cm³ — Vines, R.F. The Platinum Metals and their Alloys. New York: The International Nickel Company, Inc., 1941: 16. — "Values ranging from 21.3 to 21.5 gm/cm³ at 20°C have been reported for the density of annealed platinum; the best value being about 21.45 gm/cm³ at 20°C." 21.46 g/cm³ — Rose, T. Kirke. The Precious Metals, Comprising Gold, Silver and Platinum. New York: D. Van Nostrand Company, 1909: 255. — "Pure platinum, according to G. Matthey has a density of 21.46."
79 Au gold
use	19.3 g/cm³
WEL	(near r.t.) 19300 kg/m³
LNG	(at r.t.) 19.3 g/cm³
CRC	(near r.t.) 19.3 g/cm³
81 Tl thallium
use	11.85 g/cm³
WEL	(near r.t.) 11850 kg/m³
LNG	(at r.t.) 11.85 g/cm³
CRC	(near r.t.) 11.8 g/cm³
82 Pb lead
use	11.34 g/cm³
WEL	(near r.t.) 11340 kg/m³
LNG	(at 20 °C) (face-centered cubic) (11.34 rel. to water at 4 °C)
CRC	(near r.t.) 11.3 g/cm³
83 Bi bismuth
use	9.78 g/cm³
WEL	(near r.t.) 9780 kg/m³
LNG	(at r.t.) 9.78 g/cm³
CRC	(near r.t.) 9.79 g/cm³
84 Po polonium (alpha)
use	9.196 g/cm³
WEL	(near r.t.) 9196 kg/m³
LNG	(at r.t.) 9.196 g/cm³
CRC	(near r.t.) 9.20 g/cm³
84 Po polonium (beta)
use	9.398 g/cm³
LNG	(at r.t.) 9.398 g/cm³
85 At astatine
use	?
87 Fr francium
use	? 1.87 g/cm³
88 Ra radium
use	5.5 g/cm³
WEL	(near r.t.) 5000 kg/m³
LNG	(at r.t.) 5.5 g/cm³
CRC	(near r.t.) 5 g/cm³
89 Ac actinium (Ac-227 ?)
use	10 g/cm³
WEL	(near r.t.) 10070 kg/m³
LNG	(at r.t.) (Ac-227) 10.07 g/cm³
CRC	(near r.t.) 10 g/cm³
90 Th thorium
use	11.7 g/cm³
WEL	(near r.t.) 11724 kg/m³
LNG	(at r.t.) 11.7 g/cm³
CRC	(near r.t.) 11.7 g/cm³
91 Pa protactinium
use	15.37 g/cm³
WEL	(near r.t.) 15370 kg/m³
CRC	(near r.t.) 15.4 g/cm³
92 U uranium
use	19.1 g/cm³
WEL	(near r.t.) 19050 kg/m³
LNG	(at r.t.) 19.1 g/cm³
CRC	(near r.t.) 19.1 g/cm³
93 Np neptunium
use	20.2 g/cm³
WEL	(near r.t.) 20450 kg/m³
LNG	(at r.t.) 20.2 g/cm³
CRC	(near r.t.) 20.2 g/cm³
94 Pu plutonium
use	19.816 g/cm³
WEL	(near r.t.) 19816 kg/m³
LNG	(at 20 °C) (19.816 rel. to water at 4 °C)
CRC	(near r.t.) 19.7 g/cm³
95 Am americium
use	12 g/cm³
LNG	(at r.t.) 12 g/cm³
CRC	(near r.t.) 12 g/cm³
96 Cm curium (Cm-244 ?)
use	13.51 g/cm³
WEL	(near r.t.) 13510 kg/m³
LNG	(at r.t.) (Cm-244) 13.51 g/cm³
CRC	(near r.t.) 13.51 g/cm³
97 Bk berkelium (alpha)
use	14.78 g/cm³
WEL	(near r.t.) 14780 kg/m³
LNG	(at r.t.) 14.78 g/cm³
CRC	(near r.t.) 14.78 g/cm³
97 Bk berkelium (beta)
use	13.25 g/cm³
LNG	(at r.t.) 13.25 g/cm³
CRC	(near r.t.) 13.25 g/cm³
98 Cf californium
use	15.1 g/cm³
WEL	(near r.t.) 15100 kg/m³
CRC	(near r.t.) 15.1 g/cm³
99 Es einsteinium
use	8.84 g/cm³
LNG	(at r.t.) 8.84 g/cm³

Density, liquid phase

2 He helium-4
Donnelly et al.	0.1249772 g/cm³ (He-I at boiling point: 4.222 °K)
	0.1461087 g/cm³ (at lambda transition He-I/He-II: 2.1768 °K, saturated vapor pressure)
	0.1451397 g/cm³ (He-II superfluid at 0 °K, saturated vapor pressure)
Hoffer et al.	0.17309 g/cm³ (from 23.125 cm³/mole; He-II from hcp melt at 0 °K, 25.00 atm)
	0.17308 g/cm³ (from 23.1256 cm³/mole; at local min. density, from hcp melt at 0.699 °K, 24.993 atm)
	0.17443 g/cm³ (from 22.947 cm³/mole; He-II at triple point hcp−bcc−He-II: 1.463 °K, 26.036 atm)
	0.1807 g/cm³ (from 22.150 cm³/mole; He-I at triple point hcp−bcc−He-I: 1.772 °K, 30.016 atm)
3 Li lithium
use	0.512 g/cm³
CR2	(at m.p.) 0.512 g/cm³
4 Be beryllium
use	1.690 g/cm³
CR2	(at m.p.) 1.690 g/cm³
5 B boron
use	2.08 g/cm³
CR2	(at m.p.) 2.08 g/cm³
11 Na sodium
use	0.927 g/cm³
CR2	(at m.p.) 0.927 g/cm³
12 Mg magnesium
use	1.584 g/cm³
CR2	(at m.p.) 1.584 g/cm³
13 Al aluminium
use	2.375 g/cm³
CR2	(at m.p.) 2.375 g/cm³
14 Si silicon
use	2.57 g/cm³
CR2	(at m.p.) 2.57 g/cm³
16 S sulfur
use	1.819 g/cm³
CR2	(at m.p.) 1.819 g/cm³
17 Cl chlorine
use	(at −35 °C) 1.5649 g/cm³
LNG	(at −35 °C) 1.5649 g/cm³
19 K potassium
use	0.828 g/cm³
CR2	(at m.p.) 0.828 g/cm³
20 Ca calcium
use	1.378 g/cm³
CR2	(at m.p.) 1.378 g/cm³
21 Sc scandium
use	2.80 g/cm³
CR2	(at m.p.) 2.80 g/cm³
22 Ti titanium
use	4.11 g/cm³
CR2	(at m.p.) 4.11 g/cm³
23 V vanadium
use	5.5 g/cm³
CR2	(at m.p.) 5.5 g/cm³
24 Cr chromium
use	6.3 g/cm³
CR2	(at m.p.) 6.3 g/cm³
25 Mn manganese
use	5.95 g/cm³
CR2	(at m.p.) 5.95 g/cm³
26 Fe iron
use	6.98 g/cm³
CR2	(at m.p.) 6.98 g/cm³
27 Co cobalt
use	7.75 g/cm³
CR2	(at m.p.) 7.75 g/cm³
28 Ni nickel
use	7.81 g/cm³
CR2	(at m.p.) 7.81 g/cm³
29 Cu copper
use	8.02 g/cm³
CR2	(at m.p.) 8.02 g/cm³
30 Zn zinc
use	6.57 g/cm³
CR2	(at m.p.) 6.57 g/cm³
31 Ga gallium
use	6.095 g/cm³
LNG	(at 29.8 °C, m.p. is 29.7646 °C) 6.095 g/cm³
CR2	(at m.p.) 6.08 g/cm³
32 Ge germanium
use	5.60 g/cm³
CR2	(at m.p.) 5.60 g/cm³
33 As arsenic
use	5.22 g/cm³
CR2	(at m.p.) 5.22 g/cm³
34 Se selenium
use	3.99 g/cm³
CR2	(at m.p.) 3.99 g/cm³
35 Br bromine (Br₂)
use	(near r.t.) 3.1028 g/cm³
LNG	(at 25 °C) (3.1023 rel. to water at 4 °C)
CRC	(near r.t.) 3.1028 g/cm³
37 Rb rubidium
use	1.46 g/cm³
CR2	(at m.p.) 1.46 g/cm³
38 Sr strontium
use	6.980 g/cm³
CR2	(at m.p.) 6.980 g/cm³
39 Y yttrium
use	4.24 g/cm³
CR2	(at m.p.) 4.24 g/cm³
40 Zr zirconium
use	5.8 g/cm³
CR2	(at m.p.) 5.8 g/cm³
42 Mo molybdenum
use	9.33 g/cm³
CR2	(at m.p.) 9.33 g/cm³
44 Ru ruthenium
use	10.65 g/cm³
CR2	(at m.p.) 10.65 g/cm³
45 Rh rhodium
use	10.7 g/cm³
CR2	(at m.p.) 10.7 g/cm³
46 Pd palladium
use	10.38 g/cm³
CR2	(at m.p.) 10.38 g/cm³
47 Ag silver
use	9.320 g/cm³
CR2	(at m.p.) 9.320 g/cm³
48 Cd cadmium
use	7.996 g/cm³
CR2	(at m.p.) 7.996 g/cm³
49 In indium
use	7.02 g/cm³
CR2	(at m.p.) 7.02 g/cm³
50 Sn tin
use	6.99 g/cm³
CR2	(at m.p.) 6.99 g/cm³
51 Sb antimony
use	6.53 g/cm³
CR2	(at m.p.) 6.53 g/cm³
52 Te tellurium
use	5.70 g/cm³
CR2	(at m.p.) 5.70 g/cm³
55 Cs caesium
use	1.843 g/cm³
CR2	(at m.p. (28.44 °C, near r.t.)) 1.843 g/cm³
56 Ba barium
use	3.338 g/cm³
CR2	(at m.p.) 3.338 g/cm³
57 La lanthanum
use	5.94 g/cm³
CR2	(at m.p.) 5.94 g/cm³
58 Ce cerium
use	6.55 g/cm³
CR2	(at m.p.) 6.55 g/cm³
59 Pr praseodymium
use	6.50 g/cm³
CR2	(at m.p.) 6.50 g/cm³
60 Nd neodymium
use	6.89 g/cm³
CR2	(at m.p.) 6.89 g/cm³
62 Sm samarium
use	7.16 g/cm³
CR2	(at m.p.) 7.16 g/cm³
63 Eu europium
use	5.13 g/cm³
CR2	(at m.p.) 5.13 g/cm³
64 Gd gadolinium
use	7.4 g/cm³
CR2	(at m.p.) 7.4 g/cm³
65 Tb terbium
use	7.65 g/cm³
CR2	(at m.p.) 7.65 g/cm³
66 Dy dysprosium
use	8.37 g/cm³
CR2	(at m.p.) 8.37 g/cm³
67 Ho holmium
use	8.34 g/cm³
CR2	(at m.p.) 8.34 g/cm³
68 Er erbium
use	8.86 g/cm³
CR2	(at m.p.) 8.86 g/cm³
69 Tm thulium
use	8.56 g/cm³
CR2	(at m.p.) 8.56 g/cm³
70 Yb ytterbium
use	6.21 g/cm³
CR2	(at m.p.) 6.21 g/cm³
71 Lu lutetium
use	9.3 g/cm³
CR2	(at m.p.) 9.3 g/cm³
72 Hf hafnium
use	12 g/cm³
CR2	(at m.p.) 12 g/cm³
73 Ta tantalum
use	15 g/cm³
CR2	(at m.p.) 15 g/cm³
74 W tungsten
use	17.6 g/cm³
CR2	(at m.p.) 17.6 g/cm³
75 Re rhenium
use	18.9 g/cm³
CR2	(at m.p.) 18.9 g/cm³
76 Os osmium
use	20 g/cm³
CR2	(at m.p.) 20 g/cm³
77 Ir iridium
use	19 g/cm³
CR2	(at m.p.) 19 g/cm³
78 Pt platinum
use	19.77 g/cm³
CR2	(at m.p.) 19.77 g/cm³
79 Au gold
use	17.31 g/cm³
CR2	(at m.p.) 17.31 g/cm³
80 Hg mercury
use	(at r.t.) 13.534 g/cm³
LNG	(at r.t.) 13.534 g/cm³
CRC	(near r.t.) 13.5336 g/cm³
81 Tl thallium
use	11.22 g/cm³
CR2	(at m.p.) 11.22 g/cm³
82 Pb lead
use	10.66 g/cm³
CR2	(at m.p.) 10.66 g/cm³
83 Bi bismuth
use	10.05 g/cm³
CR2	(at m.p.) 10.05 g/cm³
92 U uranium
use	17.3 g/cm³
CR2	(at m.p.) 17.3 g/cm³
94 Pu plutonium
use	16.63 g/cm³
CR2	(at m.p.) 16.63 g/cm³

Density, gas phase

	value	conditions
1 H hydrogen (H₂)
use	0.08988 g/L	0 °C, 101.325 kPa
CRC	(calc. ideal gas) 0.082 g/L	25 °C, 101.325 kPa
KCH	0.08988 kg/m³	0 °C, 101.3 kPa
VDW	0.08988 g/L	0 °C, 101.325 kPa
VDW	(lit. source) 0.08988 g/L
2 He helium
use	0.1786 g/L	0 °C, 101.325 kPa
CRC	(calc. ideal gas) 0.164 g/L	25 °C, 101.325 kPa
LNG	0.176 g/L	room temperature
KCH	0.1785 kg/m³	0 °C, 101.3 kPa
VDW	0.1786 g/L	0 °C, 101.325 kPa
VDW	(lit. source) 0.1785 g/L	0 °C, 1 atm
7 N nitrogen (N₂)
use	1.251 g/L	0 °C, 101.325 kPa
CRC	(calc. ideal gas) 1.145 g/L	25 °C, 101.325 kPa
LNG	1.165 g/L	20 °C
KCH	1.2505 kg/m³	0 °C, 101.3 kPa
VDW	1.251 g/L	0 °C, 101.325 kPa
VDW	(lit. source) 1.2506 g/L
8 O oxygen (O₂)
use	1.429 g/L	0 °C, 101.325 kPa
CRC	(calc. ideal gas) 1.308 g/L	25 °C, 101.325 kPa
LNG	1.331 g/L	20 °C
KCH	1.42895 kg/m³	0 °C, 101.3 kPa
VDW	1.429 g/L	0 °C, 101.325 kPa
VDW	(lit. source) 1.429 g/L	0 °C
9 F fluorine (F₂)
use	1.7 g/L	0 °C, 101.325 kPa
CRC	(calc. ideal gas) 1.553 g/L	25 °C, 101.325 kPa
VDW	(lit. source) 1.696 g/L
	1.59 kg/m³	15 °C, 1.013 bar
	0.0983 lb/ft³	70 °F, 1 atm
10 Ne neon
use	0.9002 g/L	0 °C, 101.325 kPa
CRC	(calc. ideal gas) 0.825 g/L	25 °C, 101.325 kPa
LNG	0.8999 g/L	0 °C
KCH	0.9002 kg/m³	0 °C, 101.3 kPa
VDW	0.9002 g/L	0 °C, 101.325 kPa
VDW	(lit. source) 0.89990 g/L	0 °C, 1 atm
17 Cl chlorine (Cl₂)
use	3.2 g/L	0 °C, 101.325 kPa
CRC	(calc. ideal gas) 2.898 g/L	25 °C, 101.325 kPa
LNG	2.98 g/L	20 °C
KCH	3.214 kg/m³	0 °C, 101.3 kPa
VDW	3.116 g/L	0 °C, 101.325 kPa
VDW	(lit. source) 3.214 g/L
18 Ar argon
use	1.784 g/L	0 °C, 101.325 kPa
CRC	(calc. ideal gas) 1.633 g/L	25 °C, 101.325 kPa
LNG	1.7824 g/L	0 °C
KCH	1.784 kg/m³	0 °C, 101.3 kPa
VDW	1.784 g/L	0 °C, 101.325 kPa
VDW	(lit. source) 1.7837 g/L
36 Kr krypton
use	3.749 g/L	0 °C, 101.325 kPa
CRC	(calc. ideal gas) 3.425 g/L	25 °C, 101.325 kPa
LNG	3.7493 g/L	room temperature
KCH	3.744 kg/m³	0 °C, 101.3 kPa
VDW	3.749 g/L	0 °C, 101.325 kPa
VDW	(lit. source) 3.733 g/L	0 °C
54 Xe xenon
use	5.894 g/L	0 °C, 101.325 kPa
CRC	(calc. ideal gas) 5.366 g/L	25 °C, 101.325 kPa
LNG	5.761 g/L	room temperature
KCH	5.897 kg/m³	0 °C, 101.3 kPa
VDW	5.894 g/L	0 °C, 101.325 kPa
VDW	(lit. source) 5.88 g/L
86 Rn radon (Radon-222 ?)
use	9.73 g/L	0 °C, 101.325 kPa
CRC	(calc. ideal gas) 9.074 g/L	25 °C, 101.325 kPa
LNG	9.73 g/L	room temperature
VDW	(lit. source) 9.73 g/L
ICT.a	9.73 g/L	0 °C, 1 A_n (=101.325 kPa) formula weight = 222

Notes

The suggested values for solid densities refer to "near room temperature" by default.
The suggested values for liquid densities refer to "at the melting point" by default.

References

WEL

As quoted at http://www.webelements.com/ from these sources:

A.M. James and M.P. Lord in Macmillan's Chemical and Physical Data, Macmillan, London, UK, 1992.
D.R. Lide, (ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 77th edition, 1996.
J.A. Dean (ed) in Lange's Handbook of Chemistry, McGraw-Hill, New York, USA, 14th edition, 1992.
G.W.C. Kaye and T.H. Laby in Tables of physical and chemical constants, Longman, London, UK, 15th edition, 1993.

CRC

As quoted from various sources in an online version of:

David R. Lide (ed), CRC Handbook of Chemistry and Physics, 84th Edition. CRC Press. Boca Raton, Florida, 2003; Section 4, Properties of the Elements and Inorganic Compounds; Physical Constants of Inorganic Compounds

CR2

David R. Lide (ed), CRC Handbook of Chemistry and Physics, 84th Edition. CRC Press. Boca Raton, Florida, 2003; Section 4, Properties of the Elements and Inorganic Compounds; Density of Molten Elements and Representative Salts

LNG

As quoted from an online version of:

J.A. Dean (ed), Lange's Handbook of Chemistry (15th Edition), McGraw-Hill, 1999; Section 3; Table 3.2 Physical Constants of Inorganic Compounds

VDW

The following molar volumes and densities for the majority of the gaseous elements were calculated from the van der Waals equation of state, using the quoted values of the van der Waals constants. The source for the van der Waals constants and for the literature densities was: R. C. Weast (Ed.), Handbook of Chemistry and Physics (53rd Edn.), Cleveland:Chemical Rubber Co., 1972.

Donnelly et al.

Donnelly, Russell J.; Barenghi, Carlo F. (1998). "The Observed Properties of Liquid Helium at the Saturated Vapor Pressure". Journal of Physical and Chemical Reference Data 27 (6): 1217–74. doi:10.1063/1.556028.

Hoffer et al.

Hoffer, J. K.; Gardner, W. R.; Waterfield, C. G.; Phillips, N. E. (April 1976). "Thermodynamic properties of ⁴He. II. The bcc phase and the P-T and VT phase diagrams below 2 K". Journal of Low Temperature Physics 23 (1): 63–102. doi:10.1007/BF00117245.

	a (L²bar/mol²)	b (L/mol)	V_m (L)	d (g/L)	V_m (L)	d (g/L)	d (g/L)
	van der Waals constants		25 °C, 100.0 kPa		0 °C, 1 atm		Lit.
Argon	1.363	0.03219	24.77	1.613	22.39	1.784	1.7837
Chlorine	6.579	0.05622	25.11	2.824	22.75	3.116	3.214
Fluorine	not available						1.696
Helium	0.03457	0.02370	24.81	0.1613	22.44	0.1786	0.1785 (0 °C, 1 atm)
Hydrogen	0.2476	0.02661	24.81	0.08127	22.43	0.08988	0.08988
Krypton	2.349	0.03978	24.73	3.388	22.35	3.749	3.733 (0 °C)
Neon	0.2135	0.01709	24.80	0.8139	22.42	0.9002	0.89990 (0 °C, 1 atm)
Nitrogen	1.408	0.03913	24.77	1.131	22.39	1.251	1.2506
Oxygen	1.378	0.03183	24.77	1.292	22.39	1.429	1.429 (0 °C)
Radon	not available						9.73
Xenon	4.250	0.05105	24.69	5.323	22.28	5.894	5.88

Other

KCH: Kuchling, Horst, Taschenbuch der Physik, 13. Auflage, Verlag Harri Deutsch, Thun und Frankfurt/Main, German edition, 1991. ISBN 3-8171-1020-0
ICT: Washburn, E.W. (ed.), International Critical Tables of Numerical Data, Physics, Chemistry and Technology (1926–1930; 2003 Knovel online version)
(a) Gray and Ramsay, Proceedings of the Royal Society (London). A. Mathematical and Physical Sciences. 84: 536; (1911)