APFIVE Alkali Metal Reactivity Trend
Which statement correctly explains the relationship between the reactivity of alkali metals and their position in the periodic table?
A
Reactivity increases across Period 3 toward alkali metals
B
Reactivity increases down Group 1 due to decreasing ionization energy
C
Reactivity decreases down Group 1 due to increasing atomic radius
D
Reactivity is constant in Group 1 due to identical valence shells
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