The mass number of argon is 40 Which one of the following statements is correct ........

General Science (NDA) Chemistry

The mass number of argon is 40. Which one of the following statements is correct?

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2022 NDA -1 GAT

The number of protons in argon is 22.

The number of neutrons in argon is 18.

The number of electrons in argon is 18.

The sum of numbers of protons and electrons in argon is 40.

The number of electrons in argon is 18.

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