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Write Lewis symbols for the following atoms and ions:
and , and ,and

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Solution: (i) S and
The number of valence electrons in sulphur is 6.
The Lewis dot symbol of sulphur (S) is
The dinegative charge infers that there will be two electrons more in addtion to the six valence electrons. Hence, the Lewis dot symbol of is .
(ii) Al and .
The number of valence electrons in aluminium is 3.
The Lewis dot symbol of aluminium (Al) is .
The tripositive charge on a species infers that it has donated its three electrons. Hence, the Lewis dot symbol is .
(iii) H and
The number of valence electrons in hydrogen is 1.
The Lewis dot symbol of hydrogen (H) is
The uninegative charge infers that there will be one electron more in addition to the one valence electron. Hence, the Lewis dot symbol is .
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Question Text
Write Lewis symbols for the following atoms and ions:
and , and ,and
Answer TypeText solution:1
Upvotes150