Question

1 .if Z = 3, what would be the valency of the element? Also, name the element.


2 .Calculate the number of protons, dectrons and neutrons.
A/27
13

plzz give me the two questions answer aaj mere paper hai yrr help krr do​

Answer 1

Answer:

By Z = 3, we mean that the atomic number of theelement is 3. Its electronic configuration is 2, 1. Hence, the valency of the element is 1 (since the outermost shell has only one electron). Therefore, the element with Z = 3 is lithium

Explanation:

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