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12-02-2021
Chemistry

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Sodium (Na) is a highly reactive element. Which characteristic of sodium is responsible for
its reactivity?
A. It has 11 protons.
B. Its atomic mass is 22.990.
C. It is a non metal.
D. It has one valance electrons.

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12-02-2021

Answer:

D. It has one valence electron is Answer.

Explanation:

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