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What are the atomic numbers of elements whose outermost electrons is represented by 2p3. - Chemistry

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प्रश्न

What are the atomic numbers of elements whose outermost electrons is represented by 2p3.

संख्यात्मक
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उत्तर

2p3

Completing the electron configuration of the element as

1s2 2s2 2p3.

∴ Number of electrons present in the atom of the element = 2 + 2 + 3 = 7

∴ Atomic number of the element = 7

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