GRADE 11 CHEMISTRY
All the following topics were covered during the chemistry unit in GRADE 10 SCIENCE. You are
resoonsible for:
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a
a
Terminology: atom, ion, proton, electron, neutron, isotope, physical change, chemical change,
matter, pure substances, elements, compounds, mixtures, solution, periodic table, chemical
families, alkali metals, alkaline earth metals, noble gases, halogens, octet rule, acid' base,
synthesis, decomposition, single displacement, double displacement, neutralization
Tests for hydrogen, oxygen, and carbon dioxide gases
Drawing Electron Dot diagrams, Lewis Structures,
Compounds: ionic, molecular
Writing formulas, naming compounds for monovalent ionic compounds (excluding transition
metals), molecular compounds, selected polyatomic compounds, binary acids(eg: HCI) and
polyatomic acids (eg: H2SO4)
Writing and balancing equations
TYPes of reactions
Acids and Bases, neutralization, pH scale
Rates of reaction
Polvatomic
ammonium
ion:
NHa
*
nitrate ion:
sulfate ion:
hydroxide:
phosphate:
carbonate ion:
NOe
^^
D\JA
oH-
POo
Co.
,
-2
-"
-'
Grade 10 Chemistry Review:
1.
2.
Draw a Bohr diagram
for
(a) a nitrogen
atom
(b) sulfur ion
Draw a Lewis Dot diagram for (a) potassium atom
(b) magnesium ion
(c) nitrogen ion
Aluminum and fluorine react to form a compound. Answer the following questions:
a) Which element is the metal and which is the nonmetal
b) Using a series of diagrams show how this molecule forms
c) What is the formula for this compound
d) Whai is the name for this compound
Carbon and fluorine react to form a compound.
a) Using well labelled Lewis Dot Diagram show how this molecule forms
b) What is the formula for this compound
c) What is the name for this compound
Write the formulas and names for the compounds formed by the following combinations of
elements:
a) Lithium and fluorine b) calcium and brominec)sodium and nitrogen
d) Aluminum and nitrogen
6.
7.
Write the formulas for the following compounds:
b)Magnesium oxide
a) Sodium iodide
Write the names for the following compounds:
c)CaFz
b) Na3P
a) KCI
c)Aluminum sulfide
8.
Write formulas for the following compounds:
b)calcium sulphate
A) sodium phosphate
nitrate
d)magnesium
9.
Write names for the following compounds:
A) K2CO3 b)Na2SOo c)LiNO.
c)aluminum hydroxide
d)Ca(OH)z
10. Give the names and formulas of the compounds formed when ammonium ion combines
with chloride ion.
1
1. Name the following comPounds:
c)OF2
a)CBra b) N13
d) Cl,
12. Write the formulas and name the molecular compounds formed by the following pairs of
elements:
a) nitrogen and
hydrogen
b) phosphorus and chlorine
the balanced chemical equation to show that calcium chloride solution and sodium
sulohate solution react to form solid calcium sulphate and sodium chloride solution'
B) Write the balanced chemical equation to show that solid barium carbonate when heated wtll
form solid barium oxide and carbon dioxide gas.
i3. A)Write
14. Balance the following chemical equations:
a) Na + CIz ) NaCl
b) Hz+Oz) H2O
c) Al + Brz ) AlBrs
d) CHo + Oz ) CO2 + grg
15. Convert the following word equation into a balanced chemical equation:
Calcium + water ) calcium hydroxide + hydrogen gas
'16. State the 5 types of reactions
17
.
For each of the following write the balanced chemical equation and predict the type of reaction.
a) sodium iodide ) sodium + iodine
b) hydrogen + oxygen ) water
c) calcium + sodium nitrate ) calcium nitrate + sodium
d) ethane (CzHo) + oxygen ) carbon dioxide + water
a*ronirr sulphate I potassium bromide ) potassium
"i
sulphate + ammonium bromide
18. Usingthetypesof reactions, predicttheproductsof thefollowingreactions. Writethebalanced
chemical equation:
A) barium
+ sulphur
)
bromine + sodium iodide )
c) barium nitrate + sodium sulphide )
D) hydrochloric acid + sodium hydroxide
B)
)
19. State the four factors that affect the rate of a reaction
properties,
20. Make a table to compare acids and bases. The headings could include: physical
chemical properties and examPles
21. What is the meaning of the term "PH"
22. How much more acidic is a solution with
a pH of 4.5 than a solution with a pH of a) 5.5
b) 6'5