The Elements, sorted by Atomic Mass

 

Atomic Number	Symbol	Name	Atomic Weight (amu, g/mol)
1	H	Hydrogen	1.00797
2	He	Helium	4.00260
3	Li	Lithium	6.941
4	Be	Beryllium	9.01218
5	B	Boron	10.81
6	C	Carbon	12.011
7	N	Nitrogen	14.0067
8	O	Oxygen	15.9994
9	F	Fluorine	18.998403
10	Ne	Neon	20.179
11	Na	Sodium	22.98977
12	Mg	Magnesium	24.305
13	Al	Aluminum	26.98154
14	Si	Silicon	28.0855
15	P	Phosphorus	30.97376
16	S	Sulfur	32.06
17	Cl	Chlorine	35.453
19	K	Potassium	39.0983
18	Ar	Argon	39.948
20	Ca	Calcium	40.08
21	Sc	Scandium	44.9559
22	Ti	Titanium	47.90
23	V	Vanadium	50.9415
24	Cr	Chromium	51.996
25	Mn	Manganese	54.9380
26	Fe	Iron	55.847
28	Ni	Nickel	58.70
27	Co	Cobalt	58.9332
29	Cu	Copper	63.546
30	Zn	Zinc	65.38