Students return to school from flu break.
Chemistry Review
Review Worksheet
You may use your notes or textbook to answer the following review questions:
1) What are the six steps of the scientific method?
a)
b)
c)
d)
e)
f)
2) Give one example of each of the following:
Element: _____________________________________
Compound: _____________________________________
Heterogeneous Mixture: _____________________________________
Homogeneous Mixture: _____________________________________
3) Write the following numbers in scientific notation:
a) 23,000 _____________________________________
b) 0.0023 _____________________________________
4) Write the following numbers in standard notation:
a) 4.5 x 103 _____________________________________
b) 3.4 x 10-2 _____________________________________
5) Identify the differences between each pair of the following things:
a) chemical and physical properties
b) periods and groups of the periodic table
c) ionic and covalent compounds
d) synthesis and decomposition reactions
e) single and double displacement reactions
f) endpoint and equivalence point in titrations
6) How many centimeters are in 34 meters?
7) What are the molar masses of the following molecules?
a) PbBr2 _____________________________________
b) AgNO3 _____________________________________
c) copper (II) sulfate _____________________________________
d) ammonium carbonate ___________________________________
8) Name the following compounds:
a) BeF2 _____________________________________
b) AgCN _____________________________________
c) P2O5 _____________________________________
d) CH4 _____________________________________
9) Write the formulas for the following compounds:
a) zinc chloride _____________________________________
b) manganese (IV) sulfate __________________________________
c) sulfur hexafluoride _____________________________________
d) chlorine _____________________________________
10) Define the following terms:
a) orbital
b) molecule
c) density
d) atomic number
e) excited state
f) pH
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