Grade 10 Chemistry Review
1. Use the periodic table to answer the following questions concerning
calcium.
a) In what period is it located?
b) In what group is it located?
c) What is its atomic number?
d) What is its atomic mass?
e) In what state would it be found at room temperature?
2. Explain why O forms a –2 charged ion. Provide a written explanation
and Bohr-Rutherford diagrams for both the atom and the ion.
3. Write formulas for each of the following compounds.
sulfur pentafluoride
calcium oxide
nitrogen gas
iron (III) sulfide
sodium sulfate
tin(II) bromide
calcium phosphate
ammonia
4. Name the type of reaction and balance each equation.
a)
b)
c)
d)
e)
FeO +
Ca
+
KBr +
C3H8
Ba(OH)2
Al
P
I2
+
+
->
->
->
O2
HCl
Al2O3
Ca3P2
KI
->
CO2
->
f)
SnO
->
Sn
+
+
Fe
+
Br2
+
BaCl2
H 2O
+
O2
5. Write word equations for each of the reactions in #4. C3H8 is
propane.
6. Describe a standard test for each of the following substances:
a) oxygen gas
b) hydrogen gas
c) carbon dioxide gas
d) water vapour
type:
type:
type:
type:
H 2O
type:
type:
7. List 4 pieces of evidence that would lead you to believe that a
chemical change has taken place.
8. Classify the following statements as qualitative or quantitative.
a) The flame from the burning carbon was 4 cm high.
b) Coal is a primary source of carbon.
c) Carbon is a black solid at standard conditions.
9. Identify each of the following substances as an element, compound,
solution (homogeneous mixture) or mechanical mixture (heterogeneous
mixture).
a) Kool-Aid drink
b) Mixed salad
c) Salt
d) Aluminum foil
10. From your experience, describe 2 physical and 2 chemical properties
of the element oxygen.
11. Write the symbols for the first 20 elements and iron, nickel, lead, tin,
gold, silver, mercury, cobalt, copper.
12. Write the symbol of the correct element in the space provided.
The element with 32 protons.
The alkali metal with 5 energy levels.
The noble gas with 36 electrons.
A period 5 metalloid.
A period 3 element that forms a –1 charged ion.
The only gas found in group 1.
An element with similar chemical properties to nitrogen.
The alkaline earth metal in period 4.
The only metal that is a liquid.
An element that exists as a diatomic gas.
The only non-metal that is a liquid.
An element that is a dull, brittle solid that does not
conduct electricity.
Key Chemistry Terminology
Matter
Physical Change
Homogenous
Evaporation
Heterogeneous
Condensation
Pure substance
Liquefaction
Mixture
Solidification
Element
Sublimation
Compound
Chemical Change
Solution
Precipitate
Mechanical mixture
Period
Phase
Group (names and #s)
Physical Property
Nomenclature
Lustre
Types of Reactions:
Colour
Synthesis/Addition
Texture
Decomposition
Odour
Single Displacement
Viscosity
Double Displacement
Density
Combustion
Clarity (clear, transparent, translucent, opaque)
Physical state
Solubility
Malleability
Ductility
Hardness
Brittle
Melting Point
Boiling Point
Electrical conductivity
Thermal conductivity
Chemical Property
Atom
Ion
Molecule
Atomic number
Atomic mass