Question

22. Name the element which has :
(i) two shells, both of which are completely filled with
electrons ?
(ii) the electronic configuration 2, 8, 3 ?
(iii) a total of three shells with five electrons in its
valence shell ?
(iv) a total of four shells with two electrons in its
valence shell ?
(v) twice as many electrons in its second shell as in
its first shell ?​

Answer 1

Answer:

Neon, Magnesium

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Answer 2

Answer:

1. Neon

2. Aluminium

3. Phosphorus

4. Calcium

5. Lithium

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