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12-03-2021
Physics

contestada

which element has 5 valence electrons and 4 shells

Respuesta :

Phobic111 Phobic111

12-03-2021

Answer:

Arsenic

Explanation:

Arsenic is in group 5 and period 4. Group numbers tell us the number of valence electron and period number tells us the number of shells in an element.

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