WAEC - Chemistry (2020 - No. 41)
The metallic bond in magnesium is stronger than that in calcium because magnesium has a
larger atomic size.
smaller atomic size
greater number of valence electrons
lower melting point
Explanation
- Magnessium has a stronger metallic bond than calcium because it has smaller atomic radius.
- Atomic radius decreases across a period and increases down a group.
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