Question

Name the following elements, a two shells both of which are completely filled (b) three shells with two valence electrons

Answer 1

Answer:

A) Neon =2,8

Both shells are completely filled

B) Aluminum =2,8,2

There are two valace electron

Answer 2

Answer: (a) Neon 2,8 (Ne)

              ~(b) Magnesium (Mg) 2,8,2

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