Question

Fill in the blanks. (
1.The outermost shell of an atom is called-
2.Sodium has ----valency.
3.Anion has --------charge.
4.Calcium oxide has formula
5. The reaction between an acid and a base is called

Answer 1

Answer:

1. octate

2. 2

3.positive

4. CaO2

5. neutralisation

Explanation:

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Answer 2

Answer:

1. Valence shell.

2. 1.

3. Net negative.

4. Ca2+ O-calcium oxide.

5.5. Neutralization.

Explanation:

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