why is aluminum more reactve than zinc?

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why is aluminum more reactve than zinc?

aluminium is in the 3rd period,zinc is in 4th
aluminum has 3 valence electrons zinc has only 2.

2007-12-30 18:56:03 · 2 answers · asked by pandu 1 in Science & Mathematics ➔ Chemistry

2 answers

Because of the 3 valence electrons there is more electron-electron repulsion and shielding so it will ionize more easily.

2007-12-30 19:22:20 · answer #1 · answered by Mark L 3 · 1⤊ 0⤋

When aluminum reacts, it gives the small and highly charged Al3+ ion, which has strong electrostatic interactions with its neighbours. That is the most important difference.

2007-12-31 09:13:46 · answer #2 · answered by Facts Matter 7 · 0⤊ 0⤋