Question

How does Al form cation?

Answer 1

Answer:

Aluminum, a member of the IIIA family, loses three electrons to form a 3+ cation. The halogens (VIIA elements) all have seven valence electrons. All the halogens gain a single electron to fill their valence energy level. And all of them form an anion with a single negative charge...

Answer 2

Answer:

Aluminum, a member of the IIIA family, loses three electrons to form a 3+ cation. The halogens (VIIA elements) all have seven valence electrons. All the halogens gain a single electron to fill their valence energy level. And all of them form an anion with a single negative charge.

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Explanation: