For an Aluminium atom (Al) with atomic number 13 and mass number 27, which one among the following statements is NOT correct?

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Physics · Atomic Structure

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

The standard valency of Al is 2

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Answer 1

The number of electrons present in a neutral Al atom is 13

Answer 2

The number of protons present in the nucleus is 13

Answer 3

The number of neutrons present in the nucleus is 14

Answer 4

The standard valency of Al is 2

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