Question

Which pair of elements with following atomic number forms covalent bond
a. At. No. 1 & 6
b. At. No. 11 & 17
c. At No. 20 & 9
d. At. No. 12 & 17​

Answer 1

Answer:

no covalent bond formed here

Answer 2

Answer:

option a. is correct

Explanation:

because hydrogen and carbon shares atom with each other eg. CH4,C2H6 etc

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