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Can anyone please help me with this question. A mass of an atom of element X is equivalent to the total mass of 7 hydrogen atoms. Give the name and symbol of the element represented by X.

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Can anyone please help me with this question. A mass of an atom of element X is equivalent to the total mass of 7 hydrogen atoms. Give the name and symbol of the element represented by X.​

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Another question on Chemistry

Can anyone please help me with this question. A mass of an atom of element X is equivalent to the total mass of 7 hydrogen atoms. Give the name and symbol of the element represented by X.