Question

Define the following
a. Atomicity
C. Valence shell
e. Periodic table​

Answer 1

Answer:

B

Explanation:

The concepts regarding valency of an element chemical bonds in compounds get clarified from electronic configuration.Arom forms chemical bonds by using electron of its outermost shell.

Answer 2

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ATOMICITY - the number of atoms in the molecules of an element.

VALENCE SHELL- The outer shell of any atom is called the valence shell. When the valence electron in any atom gains sufficient energy from some outside force, it can break away from the parent atom and become what is called a free electron.

PERIODIC TABLE - The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties.

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