Chemistry, asked by geethabsingh1982, 19 days ago

number of valence electrons in magnesium is
a)2
b)1
c) 3
d)4

Answers

Answered by rockerluis91
1

Answer:

A is the correct option

Explanation:

Because Electronic configuration of Magnesium is 2,8,2 so A is the correct option.

Meaning of valence electrons is no. of electrons in last shell.

Answered by brainly8545
0

Answer:

2 valence electrons

Explanation:

Magnesium has atomic number 12. Its electronic configuration is 2,8,2 . Thus, it has 2 valence electrons.

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