Question

Atomic numbers of the following elements are given below: (5)

A= 1 , B = 19, C= 15 , D= 17 , E = 8
(a) An element which forms double covalent bond

(b) State the type of bonding between B and D

(c) Write the molecular formula if A and C forms a compound

(d) Write the electronic configuration for C

(e) Draw the atomic structure of E2
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Answer 1

The chemical bond formed between two combining atoms by mutual sharing of one or more pairs of electrons is called a covalent bond.

Covalent bond formed by

Bond formed between two Cl atoms; Cl‒Cl

Bond formed between hydrogen atom and chlorine atom; H‒Cl

Explanation:

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