Which of the following does not form a diatomic molecule? chlorine copper nitrogen hydrogen

Chlorine (Cl2), nitrogen(N2), hydrogen(H2) are gasses, they form diatomic molecules.

Copper is metal, it does not form diatomic molecules (Cu).

it would be d. henry moseley

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i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.