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number of atoms present in 1 mole of CasPO.Jh? What is the total a)8 b) 5 c)10 o

ID: 1034982 • Letter: N

Question

number of atoms present in 1 mole of CasPO.Jh? What is the total a)8 b) 5 c)10 of d) 13 12. Which of the following is NOT a a. iron(lII) ion b. Ca c. sulfate d. mercurous 14 Which element, when combined with fluorine, would most likely form an ionic compound? a. lithium b. phosphorus c. carbon d. chlorine 15. Which of the following compounds contains the lead(l) ion? 16. What is the correct formula for potassium sulfite? 17. What type of compound is Cuso,? a. monotomic ionic b. polyatomic ionic c. polyatomic covalent d. binary molecu Which of the following is true about the composition of ionic compounds? a. They are composed of anions and cations b. They are composed of anions only. c. They are composed of cations only d. They are forme 18. d from two or more nonmetallic elements

Explanation / Answer

12) total number of atoms in 1 mol of Ca3(PO4)2 = number of Calls + Number of P + number of O

= 3+2+8= 13

Therefore correct option is D) 13

13) b. Ca

14) a. Lithium because both lithium and fluoride are small in size and there is substantial difference in their electronegativities.

15) a. PbO