Question

Give reason - a non-metallic atom forms a molecule with the same, containing a single covalent bond

Answer 1

Answer:

A non- metallic atom with atomic number 9 (Flourine) has 7 valence electrons.Therefore, it needs one more electron to complete its octet.Thus, it combines with another atom of the same element to form a molecule having single covalent as follows

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Answer 2

Non metallic atoms when they form molecules one atom attracts the other atoms electron but since both have the same amount of attractive forces the electrons are not pulled towards one atom as in ionic bond so they share hence they have a covalent bond. And non metallic atoms only need one two atoms to complete their octet to lose an electron more energy is required than to gain or share electron as the nuclear attraction is stronger.