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Question

Does a symbol represent an atom or a moleculesName an element whose atoms occur in pair

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Solution

Dear Student,

Symbol represents the element or we can say an atom. Molecule may be monoatomic, diatomic or polyatomic. The noble gases are monoatomic, so their molecule may be represent in symbols like He, Ne, Ar, etc.In case of diatomic or polyatomic molecules, the atom is represented only by a symbol while molecule is represented by moleclar formula. For eg. O is an atom but O2 is a molecule.

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