1 to 40 Elements atomic number, Roundoff atomic mass.




By SS EDUCATION HUB Periodic Table of Elements

Elements Table

Atomic Number Symbol Atomic Mass (rounded) State at STP
1 H 1 Gas
2 He 4 Gas
3 Li 7 Solid
4 Be 9 Solid
5 B 11 Solid
6 C 12 Solid
7 N 14 Gas
8 O 16 Gas
9 F 19 Gas
10 Ne 20 Gas
11 Na 23 Solid
12 Mg 24 Solid
13 Al 27 Solid
14 Si 28 Solid
15 P 31 Solid
16 S 32 Solid
17 Cl 35 Gas
18 Ar 40 Gas
19 K 39 Solid
20 Ca 40 Solid
21 Sc 45 Solid
22 Ti 48 Solid
23 V 51 Solid
24 Cr 52 Solid
25 Mn 55 Solid
26 Fe 56 Solid
27 Co 59 Solid
28 Ni 59 Solid
29 Cu 63 Solid
30 Zn 65 Solid
31 Ga 70 Solid
32 Ge 73 Solid
33 As 75 Solid
34 Se 79 Solid
35 Br 80 Liquid
36 Kr 84 Gas
37 Rb 85 Solid
38 Sr 88 Solid
39 Y 89 Solid
40 Zr 91 Solid

1 to 40 Elements atomic number, atomic mass and symbols. 

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