Question

Write the valency and atomicity of the following elements
1.Helium
3.neon
3.calcium
4.hydrogen
5.nitrogen
6.oxygen
7.chlorine
8.carbon
9 phosphorus
10. Sulphur...


And flow me please​

Answer 1

8

2

38

29

24

4

2

6

78

12

Explanation:

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Answer 2

Answer:

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