WORK SHEET CHAPTER-5 MOLECULES AND COMPOUNDS 1. How many atoms are in Mg(PO4)2,

Question

WORK SHEET CHAPTER-5 MOLECULES AND COMPOUNDS 1. How many atoms are in Mg(PO4)2, .Ba(HCO3)2, Ca(NO2)2 2. Match the following: Br2 Fe CCu MgCl2 ionic compound molecular compound Atomic element molecular element 3. Math the following: CuO K2S Ca:(PO4)2 Fes04 Type Il polyatomic ionic compound Type Il binary ionic compound Type I binary ionic compound Type I polyatomic ionic compound 4. Write formula for the compound formed between: Aluminum and sulphur Potassium and phosphate *Calcium and Carbonate 5. Write formula for: Copper() chlorate, Iron(II)phosphate,

Explanation / Answer

1.Mg(PO4)2 11 atoms
Ba(HCO3)2 11 atoms
Ca(NO2)2   7 atoms
2. B2 molecular element
   Fe atomic element
   CCl4 molecular compound
   MgCl2 ionic compound
3.
CuO Type II binary ionic compound
K2S Type I polyatomic ionic compound
Ca3(PO4)2 Type II polyatomic ionic compound
FeSO4     Type II polyatomic ionic compound
4.
Al2S3
K3P
CaCO3
5. CuClO4
   Fe3(PO4)3
    Na2So4
    Na2O
    CaS
6. XeF6
   CBr4
   B2Cl4
7.
stontium bromide
barium fluoride
sodium iodide
chromium chloride
coppe(II) iodide
iron(III) oxide
iron(III) hydroxide
lead(II) sulfate
magnesium acetate
8. sulfur trioxide
   nitric oxide
   bromium penta fluoride
   di iodine pentoxide
9. iron (III) nitrate
    octane
   barium chloride dihydrate

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