Question

What is the similarity in the electronic structure of the following set of atoms?
(i) Lithium
(ii) Sodiuin
(iii) Potassium
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Answer 1

Answer:

they all have valency 1

and are alkaline metal.....

Answer 2

Answer:

(i) Lithium

atomic number 3

ii) sodium

atomic number 11

iii) potassium

atomic number 19

Explanation:

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