Question

the names of elements whose electronic configuration 2,8
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Answer 1

Explanation:

Electronic configuration Number of valence electrons Name of the Element

(a) 2, 8, 2 2 Magnesium

(b) 2, 8, 1 1 Sodium

(c) 2, 8 ,7 7 Chlorine

(d) 2,1 1 Lithium

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Answer 2

Answer:

Element Symbol Electron Config.

Chlorine Cl 2.8.7

Argon Ar 2.8.8

Potassium K 2.8.8.1

Calcium Ca 2.8.8.2

Explanation:

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