Formulas & Bonding Review #1
Name________________________________
Period________Date____________________
1. How does an atom become a positive ion? ____________________________________________
2. Do metals or nonmetals most often become positively charged? ___________________________
3. How is the ratio of positive ions (cations) to negative ions (anions) in a chemical formula
determined? ____________________________________________________________________
4. Atoms form ions in order to attain a(n) ___________________ of electrons in their highest
(____________________) energy level which gives them the same configuration as the
___________________________________ family.
5. Write the Lewis dot structure for each of the following ionic compounds:
a.) magnesium oxide
b.) magnesium bromide
c.) calcium nitride
6. Write the formulas for each of the following:
a.) sodium iodide
__________________
b.) aluminum sulfide
___________________
c.) barium nitrate
__________________
d.) copper (I) phosphate ___________________
7. Write the structural formula for each of the following molecules:
a.) CH3Br
b.) SCl2
c.) POCl
8. Write the Lewis dot structure for each of the following:
a.) P atom
b.) P ion
C.) K atom
d.) K ion
9. Name the following:
a.) SiO2
________________________________________________
b.) NaCH3COO
________________________________________________
c.) FeCl2
________________________________________________
d.) P2O5
________________________________________________
e.) HBr
________________________________________________
f.) MgSO4 • 7H2O
________________________________________________
g.) H2SO3
________________________________________________
h.) Pb(SO4)2
________________________________________________
i.) Ba3(AsO4)2
________________________________________________
j.) H3PO4
________________________________________________
10. Write formulas for the following:
a.) nitrogen monoxide
___________
f.) sodium thiosulfate pentahydrate __________
b.) lead (IV) dichromate
___________
g.) nitrous acid
__________
c.) calcium acetate
___________
h.) iron (III) nitrate nonahydrate
__________
d.) sulfur hexafluoride
___________
i.) calcium citrate
__________
e.) hydrosulfuric acid
___________
j.) citric acid
__________
11. What are the differences between, single, double and triple bonds? _________________________
_______________________________________________________________________________
12. Draw the following molecules:
a.) hypochlorous acid
b.) carbon dioxide
c.) hydrocyanic acid