ohkaelin ohkaelin

15-12-2020
Chemistry

contestada

Which set of atoms have 3 valence electrons?
carbon, silicon, and germanium
O beryllium, magnesium, and calcium
O hydrogen, lithium, and sodium
O boron, aluminum, and gallium

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Respuesta :

innia24 innia24

15-12-2020

Answer:

boron, aluminum, and gallium

Explanation:

They are in group 3A on the periodic table which means they have 3 valence electrons

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