Download Snc2d Chapter 5 Practice Test

Snc2d CHEMISTRY EXAM REVIEW
name: _____________________________________
1. Density of copper = 9 g/cm3
This property is a ____________________ ,
Qualitative/Quantitative
2. Describe the gas tests for:
a) Oxygen
_________________________ property.
Physical/.Chemical
b) Hydrogen
3. On the periodic table, what element is located in group III (3), period 4?
4. Give the Roman numeral(eg. III) and arabic number group (eg. 13) for the:
a) alkali metals
b) halogens
c) noble gases
5.a) Draw the Bohr diagram of
15P
atom
b) In the diagram above, the Roman group number of P shows:
c) The period number of P shows:
d) Show a Bohr diagram above of P forming an ion, indicating beside your diagram the number of electrons
gained or lost. Include the symbol with net charge and the name of the ion formed.
e) With regard to ion formation how are metals different from nonmetals? (Two differences)
6. a) What are valence electrons? B) Why are they important? C) How can you determine the number of
valence electrons for an atom from the periodic table (excluding the transition elements)
7. Draw the Lewis dot diagram for S
8. Compare/contrast the two main types of compound
Type of Compound
composition
what happens to valence electrons
type of bonding
diagram of the particles in the
compound
9. a) What kind of compound is formed between K and O?
b) Use Lewis dot diagrams (NOT Bohr orbit diagrams) to show in two steps, how a compound is formed
between K and O
10. a) What is a “diatomic element”?
b) Write the formulas for ALL the diatomic elements.
11. NEATLY Fill in the chart below with the correct name or formula. Correct spelling is essential.
formula
name
1.
calcium chloride
2.
sulfur hexafluoride
3.
aluminum chlorate
4.
lithium carbonate
5.
hydrogen gas
6.
magnesium nitride
7.
barium hydroxide
8.
zinc nitrate
9.
carbon tetraiodide
10. SrBr2
11. PCl3
12. Ag2SO4
13. Rb2S
14. S2F10
15. Be3(PO4)2
16. NaHCO3
17. SiO2
18. KI
12. BALANCING CHEMICAL REACTIONS/ IDENTIFYING REACTION TYPES
 balance the following chemical reactions with the lowest possible numbers.
 write the name of the type or reaction beside each of the reactions.
a.
Fe +
b.
H2S +
c.
KClO3→
d.
C4H10 +
F2 →
FeF3
Al →
KCl +
O2

Al2S3 +
reaction type:
H2
O2
H2O
reaction type:
reaction type:
+
CO2
reaction type:
Write a word equation using chemical names for all substances for #13 and #14 below. Determine the missing
mass.
13. 106 g of sodium carbonate is heated to produce of sodium oxide and 44 g gas that turns limewater milky.
14. 339.7 g of silver nitrate in solution is reacted with 63.5 g of copper. 187.6 g of copper (II) nitrate (Cu(NO3)2)
is produced along with what element?
15. In a chart compare/contrast 4 properties of acids and 4 properties of bases by showing 2 similar properties
and 2 different properties.
Write SKELETON EQUATIONS for each of the following reactions and then balance the skeleton equations
16. Potassium carbonate solution reacts with aluminum chloride solution producing two different compounds.
17. Fluorine reacts with aluminum chloride to produce aluminum fluoride and what element?
18. Propane (C3H8) undergoes complete combustion.
19. Beside each substance listed below, indicate whether pH is 7, >7 or < 7:
a) LiOH
b) HBr
c) Ca(OH)2
d) H2O
20. Write the general word equation for any neutralization:
21. The reaction between an acid and a base is called: ________________________________
Write the reaction between hydrochloric acid (hydrogen chloride) and calcium hydroxide.
22.
Indicator Data
orange IV
bromocresol green
phenol red
thymolpthalein
pH range
1.4-2.8
3.8-5.4
6.6-8.0
9.4-10.6
colour as pH increases
red to yellow
yellow to blue
yellow to red
colourless to blue
Given the above information, determine the pH range of each of the following solutions. /2
Solution
info. From indicator
pH range
A
yellow in bromocresol green
yellow in orange IV
Solution
red in phenol red
B
blue in bromocresol green
colourless in thymolphalein
23. List the letters in order of increasing pH:
a) water
b) concentrated KOH
c) dilute HBr
d) dilute NH4OH
e) concentrated H2SO4
________________________________________