Helium atoms are chemically unreactive because

Chemistry

JAMB 1979

A. there are no electrons around the nucleus
B. the number of protons equals the number of electrons
C. there are equal number of protons and neutrons in the nucleus
D. the outer electron shell is completely filled
E. the atoms contain only protons

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Correct Answer: Option D

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Helium atoms are chemically unreactive because

Correct Answer: Option D

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