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Hi there, in this question we are forming an ionic compound.
00:06
An ionic compounds are composed of a cation, which is positive, and an anion, which is negative.
00:20
The cation is formed when a metal loses its valence electrons, and the anion is formed from a nonmetal that gains enough valence electrons to satisfy the octet rule.
00:43
The octet rule is the rule that says that an element wants eight valence electrons in its outermost energy level.
01:04
Alright, so we have gallium.
01:08
When we look at gallium on the periodic table, we see that it is in group 3a.
01:13
That means it has three valence electrons.
01:22
All of the elements in group 3a have three valence electrons.
01:26
So what it's going to do is lose three electrons to become gallium, a gallium ion with a 3 plus charge.
01:43
Nitrogen on the other hand, it is located in group 5a.
01:54
Therefore it has five valence electrons...