Barrett598 Barrett598

23-04-2015
Chemistry

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How many valence electrons does Arsenic have?

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Hippalectryon Hippalectryon

30-04-2015

Arsenic's atomic number is 33.

Hence his electronic configuration is [tex]1s^22s^22p^63s^23p[/tex] hence his valence electrons are [tex]4s^24p^3[/tex].

5 valence electrons

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