Acids and bases
Section
A Matter
B Inside atoms
C Atoms and
ions
D Forming ions
Objectives
Define the terms element, compound and mixture in
terms of the particles they contain.
Write a word equation for a given reaction.
Recognise what is required for a balanced equation.
Workbook activities
3A 1 Matter matters
3A 2 Modeling matter (prac)
3A 3 Equation practice
3A 4 More equations
Quizzes
3A 1 Matter facts
Revision activities
3A 1 Matter facts
3A 2 Balanced equations
Recall the structure of atoms in terms of a central
nucleus containing protons and neutrons and
surrounded by electrons.
Recall that almost all the mass of an atom is
concentrated in the nucleus and that the rest of the
atom is almost empty space.
Define the terms atomic number, mass number and
isotope.
Explain why atoms are neutral, define the term ion and
explain why ions are charged particles.
3B 1 Atom words
3B 2 How chemists changed the
NZ wine industry
3B 1 Atomic structure key facts
3B 2 Inside an atom
3B 3 Counting atomic particles
3A 2a Balanced or not
balanced?
3A 2b Assembling balanced
equations
3B 1 Atomic structure key facts
3B 2a Atomic structure
3B 2b Inside an atom
3B 3a Atomic particles 1
3B 3b Atomic particles 2
3B 3c Atomic particles 3
Relate the atomic number of an element to its position
on the periodic table.
Predict the electron arrangement of an atom from its
position on the periodic table for any of the first 20
elements.
Draw a diagram illustrating the structure of a given
atom from its atomic number and mass number for any
of the first 20 elements.
Use the electron structure of an atom to predict the
charge on the ion it will form (if any).
Explain in simple terms what an ionic bond is.
Name ions and ionic compounds from their formulas.
3C 1 Atoms and ions
3C 1 What charge?
3C 1 Electron structure of
elements
3C 2 The internal structure of
atoms (prac)
3C 2 The periodic table and
electron arrangements
3C 2a The periodic table
3C 2b Outer-shell electrons and
ions
3C 2c Atoms and elements
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3D 1 Atoms and ions
3D 1 Electron arrangements and
ions
3D 1 Ions and the periodic table
3E 1 Reading chemical formulae
3E 1a Naming ions
3E 1b Naming ionic compounds
1
3E 1c Naming ionic compounds
2
3E 2 Counting atoms
3E 1a Naming ions 1
3E 1b Naming ions 2
3E 1c Naming ions 3 memory
3E 1d Matching chemical
formulae 1
3E 1e Matching chemical
formulae 2
3E 1f Chemical formula 3
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3E 1g Chemical formulae 4
memory
3E 2 Counting atoms
-2Section
E Forming
compounds
F Acids and
bases
G Neutralisation
Objectives
Explain why ions combine in the ratios they do in ionic
formulas.
Write the formula for a given ionic compound given a
table of ions.
Count atoms in a given chemical formula.
Recall the characteristic properties of acids and bases
including concentration of H+ and/or OH–.
Recall the names and formulas for hydrochloric acid,
nitric acid and sulfuric acid.
Workbook activities
3E 2 Ionic jigsaws
3E 3 More formulas
3E 4 Parlez vous chemistry?
3E 5 Mainly minerals
Recall the colour changes of litmus or universal
indicator in acidic, basic and neutral solutions.
Recall the acid-base character of common household
substances such as vinegar and baking soda.
Use the pH scale to indicate degree of acidity or
basicity.
3F 1 testing pH (prac)
3F 2 Laboratory indicators
3F 2 Acid, base, neutral?
3F 3 Experimental design: soil
testing
3F 3 Indicators and pH
State that food acids release fewer hydrogen ions in
solution than laboratory acids, and relate this to the pH
of the solutions formed when different acids dissolve in
water.
State that when hydroxides dissolve in water they
release hydroxide ions which make the solution basic.
State that some hydroxides are more soluble in water
than others and relate this to the pH formed when
different hydroxides dissolve in water.
Identify metal oxides, carbonates and hydrogen
carbonates as substances that react with water to form
basic solutions.
Explain why some metal oxides form solutions of high
pH and others form solutions of only moderate pH.
Discuss changes in pH or indicator colour during
neutralisation reactions.
Name the salts formed by hydrochloric, sulfuric and
nitric acids.
Write word and balanced formula equations for
reactions between acids and metal hydroxides, oxides,
carbonates or hydrogen carbonates.
Quizzes
3E 3a Writing ionic formula 1
3E 3b Writing ionic formula 2
3E 4 Matching formulae for
common substances
Revision activities
3E 3a Which formula is correct?
3E 3b Writing formulae
3E 4 Common names
3F 1 Acid or bases?
3F 1a Properties of acids and
bases (group)
3F 1b Classifying substances as
acid or base
3F 1c Acid or base?
3F 2a Laboratory indicators
3F 2b Universal indicator and
pH
3F 4 Nature of laboratory
solutions
3G 1 Neutralisation of an acid
(prac)
3G 2 Making a salt (prac)
3G 1a Acids and bases key
facts
3G 1b Complete word equations
by adding acids
3G 2a Hydroxide key facts
3G 2b Oxide equations
3G 2c Oxide & hydroxide
equations
3F 3a The colours of universal
indicator
3F 3b Order pH
3F 3c Indicator and pH facts
3F 4a Strong and weak acids
and bases
3F 4b Nature of laboratory
solutions
3G 1a Salts from acids (group)
3G 1b Salts from acids
3G 1c Classifying compounds
(group)
3G 1d Acids and bases facts
3G 1d Acid-base memory
3G 1e Name compounds
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3G 2a Complete acid-base word
equations
3G 2b Balancing equations 1
-3Section
Objectives
Describe the visible effect of adding acid to a
carbonate or hydrogen carbonate.
Describe the limewater test for carbon dioxide and
write balanced equations for the two reactions that
occur during this test.
Complete word or formula equations for making
specific salts.
Workbook activities
3G 3 Acid on a carbonate (prac)
3G 4 Carbon dioxide
3G 5 A balanced Life
H Applications
Apply an understanding of pH and neutralisation
reactions to situations in everyday life.
3H 1 Soil pH
3H 2 Household cleaners
3H 3 Indigestion
3H 4 bLIMEy
3H 5 Swimming pools chemistry
3I Rates
Design and carry out controlled experiments into the
factors that affect the rate of a reaction.
Summarise the principles of particle theory.
State that as the size of the pieces decreases, the total
surface area increases.
Describe what would be observed when a controlled
investigation into how the size of the pieces affects
reaction rate is carried out.
Apply particle theory to explain the effect of the size of
the pieces on reaction rate.
Explain the meaning of the terms concentrated and
dilute in terms of particles in a solution.
Describe what would be observed when a controlled
investigation into how concentration affects reaction
rate is carried out.
Apply particle theory to explain the effect of
concentration on reaction rate.
Describe what would be observed when a controlled
investigation into how temperature affects reaction rate
is carried out.
State that when objects are heated their particles
move more quickly and collide with greater kinetic
energy.
Apply particle theory to explain the effect of
temperature on reaction rate.
3G 6 Reaction time
3I 1 The size of the pieces and
reaction rate (prac)
3I 2 Experimental design: the
size of the pieces
Quizzes
3G 3 Carbonates
3G 4a Complete word equations
– carbonates
3G 4b Balanced equations for
carbonates
3G 5 Neutralisation equations
Revision activities
3G 3 Carbonate facts
3G 4 Acids and carbonates
equations
3H 1 Soil pH and acid rain
3G 5a Missing substance
3G 5b Completing mixed word
equations
3G 5c Completing word
equations – acid reactions
3G 5d Balancing equations 2
3G 6 Acid-base flipcards
3H 1 Soil pH and acid rain
3I 1 Rates experiments
3I 1 Rates experiments
3I 2a Particle theory
3I 2b Rates of reaction
3I 3 Surface area experiments
3I 2a Principles of particle theory
3I 2b Defining particle theory
3I 3 Surface area
3I 3 Concentration and reaction
rate (prac)
3I 4 Time for a quick one?
3I 4 Concentration experiments
3I 5 Temperature and reaction
rate (prac)
3I 5 Temperature experiments
3I 5 Temperature and
concentration in reaction rates
-4Section
Excellence
questions
Objectives
Describe test tube observations of reaction rate with
time.
Sketch graphs showing how reaction rate changes
with time.
Use particle theory to explain why reaction rate
changes with time.
Workbook activities
3I 6 Rates questions
3I 7 Disappearing malachite
3I 8 A reaction study
Quizzes
3I 6 Rates reasons
Revision activities
3I 6b Rates reasons
3I 7a Chemistry crossword
3I 7b Chemistry revision
flipcards
3Ex 1 Acidity and indicators
3Ex 2 Atomic structure
3Ex 3 Chemical reactivity of
elements
3Ex 4 Light-stick
3Ex 5 Neutralisation reactions
3I 7a Chemistry crossword
3I 7b Chemistry revision
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