Element Y is in the same group as X, but in the period below X (1
e) Give the chemical name for the element Y.
f) Compare the ionisation energy of these two atoms-which would have the larger
value? Give a reason for your answer.
g) Give the chemical formula of the compound that is formed when elementy
combines with chlorine,
h) Draw the Lewis structure to show the formation of the bond that has occurred in
this compound
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the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.