Question

......15 marks
ill. Arrange the following metals with order of increasing metallic bond strength, giving reason for
your answer; Al, Na, Li, and Cs​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

Cs, Na, Li, Al

Explanation:

Cs, Na, and Li are all Group 1 metals. Thus, they all form ions with a charge of +1. However, Cs is the furthest down the group, so it has the most electron shells and the largest ionic radius; thus, it forms weaker metallic bonds. Na is the second furthest down the group, giving it lower metallic bond strength than Li but higher metallic bond strength than Cs. Li has the greatest metallic bond strength in the group, but Al, a group 3 metal, forms ions with a +3 charge, a much larger charge than the Group 1 metals. Therefore, Al has the greatest bond strength.