Question

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Answer 1

Answer:

and your answers are

1.a

2.d

3.a

Answer 2

Answer:

1. The number of electrons in the outermost shell of alkali metals is 1.
2. Alkaline earth metal have valency 2. This means that their position in the modern periodic table is in Group 2.
3. Molecular formula of the chloride of an element is X is XCl . This compound is a solid having high melting point. (1) Na

Explanation:

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