Periodic Table of the Elements
Density (g/cm3) (25 oC)

Group
Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 H
0.090		 He
0.178 
2 Li
0.53		 Be
1.85 		 B
2.34		 C
2.26		 N
1.251		 O
1.429		 F
1.696		 Ne
0.900 
3 Na
0.97		 Mg
1.74		 Al
2.70		 Si
2.33		 P
1.82		 S
2.07		 Cl
3.214		 Ar
1.784 
4 K
0.86		 Ca
1.55		 Sc
2.99		 Ti
4.54		 V
6.11		 Cr
7.19		 Mn
7.44		 Fe
7.874		 Co
8.89		 Ni
8.91		 Cu
8.96 		 Zn
7.13		 Ga
5.91		 Ge
5.32		 As
5.78		 Se
4.79		 Br
3.12		 Kr
3.75 
5 Rb
1.53		 Sr
2.54		 Y
4.47		 Zr
6.51		 Nb
8.57		 Mo
10.22		 Tc
11.49 		 Ru
12.37		 Rh
12.41		 Pd
12.02		 Ag
10.49		 Cd
8.65		 In
7.31		 Sn
7.31		 Sb
6.69		 Te
6.24		 I
4.93		 Xe
5.9 
6 Cs
1.87		 Ba
3.59		 Lu
9.84 		 Hf
13.31		 Ta
16.65		 W
19.25		 Re
21.03		 Os
22.61		 Ir
22.65		 Pt
21.45		 Au
19.32		 Hg
13.55		 Tl
11.85		 Pb
11.35		 Bi
9.75		 Po
9.20		 At Rn
9.73 
7 Fr Ra
5.50		 Lr Rf Db Sg Bh Hs Mt Ds Rg 112 114 116
Lanthanides La
6.15		 Ce
6.77		 Pr
6.77		 Nd
7.01		 Pm
7.22		 Sm
7.52		 Eu
5.24		 Gd
7.9		 Tb
8.23		 Dy
8.55		 Ho
8.8		 Er
9.07		 Tm
9.32		 Yb
6.97
Actinides Ac
10.07		 Th
11.72		 Pa
15.4		 U
18.95		 Np
20.2		 Pu
19.84		 Am
13.7		 Cm
13.5		 Bk Cf Es Fm Md No

Weighted average

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