The chemical formula for a molecule that contains two chlorine (Cl) atoms is

Chlorine is a halogen gas element which has atomic number 17 which is in group 17, p block and period 3

The electron configuration of Cl  : [Ne] 3s² 3p⁵ ⇒ 2, 8, 7

So the valence electron is 7, so to achieve stability you will need 1 more electron so it is stable like Argon

Cl will be covalently bonded (using shared electron pairs) with other Cl atoms to form a non-polar molecule, namely Cl₂

that's just how they are

explanation:

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b) mutualism

hope this : )