Question

define the following term: a) Valency b) Atomic size​

Answer 1

Answer:

Valency of an atom is simply equal to the number of electrons gained, lost or shared by an atom to achieve the nearest noble gas configuration. (ii) Atomic size: Atomic size or atomic radius is the distance between the centre of the nucleus and the outermost shell of an isolated atom

Answer 2

Answer:

a) measure of it's combining capacity with other atoms when it forms chemical compound or molecules

b) typical distance from the center of the nucleus to the boundary of the surrounding shells of electrons

Explanation:

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