Chemistry, asked by ashish1234586, 11 months ago

Write the valency and atomic number of first five elements of periodic table. ​

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Answered by Anonymous
16

1) Hydrogen, valancy » -1

2) Helium, valancy » None

3) Lithium, valancy » +1

4) Beryllium, valancy » +2

5) Boron, valancy » +3

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Answered by pritishakumari5972
3

answer is given in this image.

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