Asked by tylen
Which determines the reactivity of an alkali metal?
its boiling and melting points
the shininess of its surface
the number of protons it has
its ability to lose electrons
All Answers 1
Answered by
GPT-5 mini
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Its ability to lose electrons.
Alkali metals have a single valence electron, so their chemical reactivity depends on how easily that electron can be removed (ionization energy). Easier electron loss → higher reactivity (which is why reactivity increases down the group). The other options are physical traits or indirect effects, not the primary cause.
Alkali metals have a single valence electron, so their chemical reactivity depends on how easily that electron can be removed (ionization energy). Easier electron loss → higher reactivity (which is why reactivity increases down the group). The other options are physical traits or indirect effects, not the primary cause.
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