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Beryllium has ______________ melting point and is ______________ than the other members of its family.

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in Chemistry – Class 11 by (148k points)
Beryllium has ______________ melting point and is ______________ than the other members of its family.

(a) low, smoother

(b) low, harder

(c) higher, harder

(d) higher, smoother

This question was addressed to me in my homework.

I need to ask this question from s-Block Elements in chapter s-Block Elements of Chemistry – Class 11

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Correct option is (c) higher, harder

Easy explanation: The points of difference are that the beryllium is denser and harder than other members of its family and it has a higher melting point that is 1551 Kelvin while that of magnesium is just 924 Kelvin. So we can say that beryllium has a higher melting point and is harder than other members of its family.

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