Question

what is the valencyof an element tell about​

Answer 1

Answer:

Valency is the combining power of an element. Elements in the same group of the periodic table have the same valency. The valency of an element is related to how many electrons are in the outer shell.

Answer 2

Answer:

Valency of Element;

The combining capacity of an atom is called its valency. Actually it can be defined as the number of electrons that an atom may lose (or) gain during a chemical reaction (or) the number of electrons shared.

Explanation:

The valency of the first 30 elements of the periodic table is given below.

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Valency of First 30 Elements.

Element Atomic Number. Valency

Valency of Oxygen 8 2

Valency of Fluorine 9 1

0

Valency of Neon 10

Valency of Sodium (Na) 11 1