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Has 3 valence electrons and 4 energy levels ?
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Has 3 valence electrons and 4 energy levels ?

User Bluebadge
by
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2 Answers

12 votes

Answer:

Gallium is the Answer.

Step-by-step explanation:

User Prageeth
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5.0k points
11 votes

You are looking for an element in the fourth period and a transition metal. As most have about 3 valence electrons. Gallium and Scandium work perfectly.

User Artem Razin
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4.7k points
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