Question

Atomic mass of elements from 1 to 30 rounded off

Answer 1

Explanation:

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

Answer 2

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