0oto,216 CHAPTER 6 lonic and Molecular Compounds6.116 Consider an ion with the symbol Yformed from a represen-tative element. (6.1, 6.2, 6.3)a. What is the group number of the element?b. What is the Lewis symbol of the element?c. If Y is in Period 3, what is the element?d. What is the formula of the compound formed from thebarium ion and Y?

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216 CHAPTER 6 lonic and Molecular Compounds
6.116 Consider an ion with the symbol Y
formed from a represen-
tative element. (6.1, 6.2, 6.3)
a. What is the group number of the element?
b. What is the Lewis symbol of the element?
c. If Y is in Period 3, what is the element?
d. What is the formula of the compound formed from the
barium ion and Y?
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0o to, 216 CHAPTER 6 lonic and Molecular Compounds 6.116 Consider an ion with the symbol Y formed from a represen- tative element. (6.1, 6.2, 6.3) a. What is the group number of the element? b. What is the Lewis symbol of the element? c. If Y is in Period 3, what is the element? d. What is the formula of the compound formed from the barium ion and Y?

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Step 1

Part A

The ion is Y3-, which indicates that the given element accepts 3 electrons and if it can accept 3 electrons this means that it has 5 electrons in its outermost shell hence the group corresponding to this is 5A or 15.

Step 2

Part B

The electron dot symbol is given as,

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Step 3

Part C

If Y is in period 3 and since it belongs to group 15A or ...

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