Question

If Z=3 what is the valency of element and it's name is

2 points

H, zero valency

Li,valency 1

C, valency 2

None of above​

Answer 1

Answer:

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Explanation:

Answer 2

Answer:

•The name of the element with atomic number Z=3 is Lithium.

Explanation:

•As this element can lose one electron, the valency of this element is one.

•The name of the element with atomic number Z=3 is Lithium.