17. Group 3 - Electron deficiency

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Last updated 1:13 PM on 5/23/26
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5 Terms

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State the definition of electron deficiency

Atoms or compounds that has too few valence electrons

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What elements in this group are electron deficient?

Boron and aluminium

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Why is aluminium weird?

It’s a metal but has high electronegativity, so some compounds have covalent character

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What is determined as too few valence electrons?

Less than 8

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How does electron deficiency impact reactivity?

Increases reactivity as it wants to lose an electron to become stable