Question

h2molecule is formed by covakent bond
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Answer 1

Answer:

The hydrogen molecule is the simplest substance having a covalent bond. It forms from two hydrogen atoms, each with one electron in a 1s orbital. Both hydrogen atoms share the two electrons in the covalent bond, and each acquires a helium-like electron configuration.

Explanation:

Formation of H2 molecule:-

(1) collision of an H-atom with a grain;

(2) thermal accommodation and adsorption;

(3) retention on the grain surface until another H-atom arrives and is adsorbed;

(4) H-atom migration to a reaction site;

(5) recombination to form H2; and

(6) ejection of this newly formed H2 molecule, possibly in an excited state.