maddogtonkel maddogtonkel

28-10-2021
Chemistry

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which of the following is a metal with five valence electrons that is not synthetic

which of the following is a metal with five valence electrons that is not synthetic class=

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Аноним Аноним

28-10-2021

Arsenic

How?

Arsenic has Z=33

EC given by

[tex]\\ \sf\longmapsto 1s^22s^22p^63s^23p^64s^23d^104p^3[/tex]

4th shell has 2 electrons in s orbital and 3 in p orbital .

Valence electrons=2+3=5

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