Atomic Radius Periodic Table of the Elements

Periodic Table with Atomic Radius

 

Atom size values cannot be specified exactly. These values can be obtained by measuring the distances between atoms in chemical compounds. Measurements of this type have led to the values of atomic radii for the elements shown below.

 

Table 1: Periodic Table with Atomic Radii (Å) of the elements

1	2	3	4	5	6	7	8	9	10	11	12
H 0.37
Li 1.52	Be 1.13
Na 1.86	Mg 1.60
K 2.27	Ca 1.97	Sc 1.61	Ti 1.45	V 1.31	Cr 1.25	Mn 1.37	Fe 1.24	Co 1.25	Ni 1.25	Cu 1.28	Zn 1.34
Rb 2.47	Sr 2.15	Y 1.78	Zr 1.59	Nb 1.43	Mo 1.36	Tc 1.35	Ru 1.32	Rh 1.34	Pd 1.38	Ag 1.44	Cd 1.49
Cs 2.65	Ba 2.17	La 1.72	Hf 1.56	Ta 1.43	W 1.37	Re 1.34	Os 1.34	Ir 1.36	Pt 1.37	Au 1.44	Hg 1.50
Fr ~2.7	Ra 2.23	Ac 1.88	Th 1.80	Pa 1.61	U 1.38	Np 1.30

 

Table 1 (continued...)

13	14	15	16	17
B 0.88	C 0.77	N 0.70	O 0.66	F 0.64
Al 1.43	Si 1.17	P 1.10	S 1.04	Cl 0.99
Ga 1.22	Ge 1.22	As 1.21	Se 1.17	Br 1.14
In 1.63	Sn 1.40	Sb 1.41	Te 1.43	I 1.33
Tl 1.70	Pb 1.75	Bi 1.55	Po 1.67	At 1.40

 

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Relevant Posts

Ionic Radius Periodic Table of the Elements

 

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References

1. CRC Handbook of Chemistry and Physics, 52nd edition, The Chemical Rubber Co., (1971)
2. David W. Oxtoby, H.P. Gillis, Alan Campion, “Principles of Modern Chemistry”, Sixth Edition, Thomson Brooks/Cole, 2008
3. Steven S. Zumdahl, “Chemical Principles”  6th Edition, Houghton Mifflin Company, 2009

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Key Terms

atomic radius, periodic table with atomic radius,

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