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1 November, 05:56

In the periodic table below, shade all the elements for which the neutral atom has a valence electron configuration of ns2np3, where n stands for an integer.

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  1. 1 November, 06:48
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    Answer is: chemical elements in group 15 of the periodic table have neutral atom with a valence electron configuration of ns ² np ³.

    Nitrogen: [He] 2s² 2p³.

    Phosphorus: [Ne] 3s² 3p³.

    Arsenic: [Ar] 3d ¹⁰ 4s² 4p³.

    Bismuth: [Xe] 4f ¹⁴ 5d¹⁰ 6s² 6p³.

    Moscovium: predicted [Rn] 5f¹⁴ 6d ¹⁰ 7s ² 7p³.

    These elements have 5 valence electrons.
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