Question

1.Write the symbol and valency of sodium?​

Answer 1

Answer:

The Combining capacity of an atom is called valency. Thus, it is the number of valence electron an atom has to gain or lose from its outermost orbit. The oxidation number is the charge an atom can carry.

Element Sodium

Symbol Na

Atomic Number 11

Valency 1

Answer 2

Answer:

please refer to the attachment

Explanation:

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