Use condensed electron configurations and Lewis electron-dot symbols to depict the ions formed from each of the following atoms,

Question

malfutka [58]

1 year ago

15

Use condensed electron configurations and Lewis electron-dot symbols to depict the ions formed from each of the following atoms,

and predict the formula of their compound:
(b) O and Ga

Chemistry

1 answer:

enot [183] · Answer 1 · 2024-06-08T20:15:52+03:00

Condensed electron configuration of :

Ga = [Ar] 3d¹⁰ 4s² 4p¹.

O = 1s² 2s² 2p⁴

Gallium belongs to group 13 of the periodic table with 3 valence electrons. Oxygen (Atomic number = 8 and electronic configuration = 2,6) belongs to group 16 of the periodic table with 6 valence electrons. To achieve the octet stability criteria 2 gallium atoms will donate their 3 electrons each to 3 oxygen atoms.

The 3 oxygen atoms due to their high electron attracting ability will accept those electrons resulting in Ga3+ cation and O₂⁻ anion.

Thus, the formula of their compound if Ga₂O₃.

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