Alkaline earth metals are denser and harder than alkali metals explain why
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Group II (alkaline earth) metals have a higher density because they have more protons and neutrons and they have smaller atomic radius.
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Answer & Explanation:
Alkaline earth metals have a stronger metallic bond than the alkali metals , this make alkaline earth metals more denser than the alkali metals.
The group Ia and IIa have alkali metals and alkali earth metals respective
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