Chemistry Worksheets
ADVERTISEMENT
1
2
3Worksheet #5
Molecules, Compounds, and Formulas
1. Define molecular formula, structural formula, and condensed formula. Give an example of a
molecular and condensed formula.
Ionic Compounds
2. Do metals usually form cations or anions? Which do nonmetals usually form? What is the
difference between a cation and an anion?
3. What ion will Mg likely form? Is this a cation or an anion?
4. What ion will Cl likely form? Is this a cation or an anion?
5. Which of the following does not contain a polyatomic ion? a) CaCO
; b) H
O; c) NaCl; d)
3
2
Na
PO
; e) CH
CO
H.
3
4
3
2
6. What happens when an ionic bond is formed? What keeps the species together in an ionic bond?
Binary Ionic Compound Naming
7. Write correct names for the following compounds: a) Na
S; b) AlBr
; c) CuI; d) BaO: e) CuI
; f)
2
3
2
AgCl; g) CoO; h) Ca
N
; i) LiF
3
2
8. Write correct formulas for the compounds: a) chromium(III) iodide; b) iron(III) oxide; c)
strontium nitride; d) manganese(II) sulfide; e) calcium fluoride; f) tin(II) bromide; g) magnesium
chloride; h) aluminum chloride; i) zinc oxide.
Ionic Compound Naming with Polyatomic Ions
9. Write correct names for the following compounds: a) Ba(CH
CO
)
; b) Fe
(SO
)
; c) Cs
CO
; d)
3
2
2
2
4
3
2
3
Ca(NO
)
; e) Sn(SO
)
; f) Na
HPO
; g) NaNO
; h) MgCr
O
; i) Fe(HSO
)
.
2
2
3
2
2
4
2
2
7
4
3
10. Write correct formulas for the following compounds: a) cobalt(II) nitrate; b) aluminum sulfate;
c) ammonium dichromate; d) ammonium perchlorate; e) calcium acetate; f) copper(II)
chlorite;
g) ammonium hydroxide; h) lead(II) nitrite; i) sodium bicarbonate
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education