Which element has the atomic number 1? MCQ with Answer and Explanation

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Which element has the atomic number 1?

A. Oxygen

B. Helium

C. Hydrogen

D. Carbon

Answer: Option C

Solution (By JKSSB Mock Tests)

Hydrogen is the lightest element and sits at the first position in the periodic table.

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Correct Answer: Option B

Explanation:
APPLE was India's first experimental communication satellite.

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