Question

fill in the blanks
a. the outermost shell of an atom is known as _________.
b. the number of valence electrons present in magnesium is _________.
c. the sub atomic particles with positive charge is _________.​

Answer 1

Answer:

1. valence shell
2. 2.................

Answer 2

Answer:

(a). valance shell

(b). +2

sorry mate I don't know last answer

Explanation:

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