Essential Chemistry for IGCSE - Metals And Reactivity (Section 6 - No. 10)
Which factors affect the reactivity of metals?
The number of electrons in the outer shell
The number of electron shells
The size of the nucleus
The attraction between the nucleus and outer shell electrons
Explanation
Metals with fewer outer shell electrons are more reactive. As the number of shells increases, electrons are further from the nucleus and less strongly held. The charge and size of the nucleus also influences reactivity.
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