4. Identify the group in the periodic table of the element X in each of the following ionic compounds a. XSO4 b. XF3 c. XCl d. XO e. X2CO3
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a) XSO4 <X has valency 2
So it belongs to group 2
b)XF3 <X has valency 3
It belongs to group 13
c) XCl <X has valency 1
It belongs to group 1
d)XO <X has valency 2
It belongs to group 2
e)X2CO3 < X has valency 1
It belongs to group 1
So it belongs to group 2
b)XF3 <X has valency 3
It belongs to group 13
c) XCl <X has valency 1
It belongs to group 1
d)XO <X has valency 2
It belongs to group 2
e)X2CO3 < X has valency 1
It belongs to group 1
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