WORK SHEET CHAPTER-5 MOLECULES AND COMPOUNDS 1. How many atoms are in Mg(PO4)2,
ID: 1026033 • Letter: W
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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