SNC2P
Name: _____________
CHEMISTRY UNIT TEST REVIEW TOPICS
 Structure of the atom (protons, neutrons, electrons)
 Finding the # of protons, neutrons and electrons (on the periodic table)
 Bohr Rutherford Diagrams, Lewis Dot Diagrams and valence electrons
 Counting Atoms
 Forming Ions
 Types of compounds
 Formulas and Names of Ionic Compounds
 Formulas and Names of Molecular (covalent) Compounds
 Properties of Ionic and Molecular Compounds
 Chemical Reactions
 Word equations and skeleton equations
 The law of conservation of mass
 Balancing chemical equations
 Types of chemical reactions: synthesis, decomposition, single displacement,
double displacement
 Acids and Bases
 Properties of acids and bases
 The pH scale
 Indicators
 Neutralization Reactions
ON THE UNIT TEST YOU ARE ALLOWED
1. Your naming cue cards
2. A 1 page single sided review sheet
Make sure both of these are complete and high quality.
Make sure to review ALL notes, quizzes, activities, worksheets and labs!
CHEMISTRY UNIT TEST  TUESDAY OCTOBER 25th!!
SNC2P
Name: _____________
Practice Questions
1. Use your periodic table to fill in the following chart
Element Symbol Atomic Atomic # of
# of
# of
# of
Charge
#
Mass
Protons Neutrons Electrons VALENCE of Ion
Electrons
Sodium
Oxygen
2. Draw Bohr-Rutherford Diagrams for: (before drawing, check what a B-R diagram is!)
a) a sodium ATOM
b) and oxygen ION
3. Draw a Lewis Dot Diagram for (before drawing, check what a lewis dot diagram is!)
a) Magnesium
b) Chlorine
4. Counting Atoms
# of
Molecules
2Ca(CO3)2
Name of Atoms
# of each
Atom
SNC2P
Name: _____________
5. a) Ionic Compounds are composed of _________________ and __________________.
b) Electrons in Ionic Compounds are _________________ (shared/transferred)
c) Covalent Compounds are composed of ________________ and _________________.
d) Electrons in Covalent compounds are _________________ (shared/transferred).
6. IONIC COMPOUNDS
2. Write the name
1. Write the formula
(hint: must criss cross)
a) beryllium iodide ____________
b) aluminum oxide ____________
c) barium fluoride ____________
a) K2S
________________________
b) NaI
________________________
c) Rb2O
________________________
7. MOLECULAR COMPOUNDS
1. Write the formula
2. Write the name
a) diphosphorus trioxide _________
a) N2O2
__________________________
b) xenon hexafluoride
b) PCl5
__________________________
c) dichlorine monoxide _________
c) CO
__________________________
d) Iodine gas
d) H2O
__________________________
_________
_________
8. Fill in the chart about the physical properties of Ionic and Covalent compound s
(hint: think of the lab!)
Property
Ionic Compounds
Covalent Compounds
State at Room temperature
Melting Point
Solubility
Conductivity
9. Show how a compound forms between the following pairs of elements (what happens to the
electrons? Hint: is it ionic or covalent?)
a) F + F
b) Li + O
SNC2P
Name: _____________
10. a) What does “” mean? ___________________
b) Reactants are found on the __________ side of an equation, products are found on the
____________ side.
c) Why must all chemical equations be balanced? (state the law of conservation of
mass):
11.
a) Hydrogen Gas reacts with Oxygen Gas to product water.
Word:
Skeleton: _____________ + ______________  _______________
Balance the reaction above!
What type of reaction is this? _________________
b) Magnesium reacts with Copper Iodide to produce Magnesium Iodide with Copper
Word:
Skeleton: _____________ + ______________  _____________
Balance the reaction above!
What type of reaction is this? _________________-____
12.
Balance and write the type of reaction for the following questions:
Type of reaction
a) _____ P4 + _____ O2  _____ P4O10
_________________________________
b) _____FeCl3 +_____Na2S  _____ NaCl + _____Fe2S3
________________________________
c) _____ Br2 +_____CaI2 _____I2
________________________________
d) _____ H2O
+ _____CaBr2
 _____ H2 + _____O2
________________________________