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CC Synoptic Yr 10

Total questions: 101

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

What happens when a calcium atom forms an ion with a 2+ charge?

a)

The atom gains two protons

b)

The atom loses two electrons

c)

The atom gains two electrons

2.

What kind of ions are usually formed by metals?

a)

Positive ions (Cations)

b)

Negative ions (Anions)

c)

Positive or negative ions

3.

Which of the following atomic structures represents a positive ion?

a)

9 protons,10 neutrons, 10 electrons

b)

12 protons, 14 neutrons, 12 electrons

c)

12 protons, 12 neutrons, 10 electrons

4.

What happens when sodium and chlorine atoms form sodium chloride?

a)

An electron transfers from each sodium atom to each chlorine atom

b)

An electron transfers from each chlorine atom to each sodium atom

c)

Sodium and chlorine atoms share electrons

5.

What is the electronic configuration of the fluoride ion (charge = 1-) made from a fluorine atom with an atomic number of 9 and a mass number of 19?

a)

2.8.8.2

b)

2.6

c)

2.8

6.

Why do ionic compounds usually have high melting points?

a)

The ions are arranged in a very regular pattern

b)

The electrostatic forces between the ions are very strong

c)

The ions are very heavy

7.

When does magnesium chloride conduct electricity?

a)

Only when solid

b)

Only when molten or dissolved in water

c)

When solid and when dissolved in water

8.

What kind of structure is formed in solid potassium chloride?

a)

Large molecules

b)

Giant ionic lattice

c)

Groups of two ions in pairs

9.

What will be the formula of an ionic compound formed from calcium and oxygen?

a)

CaO

b)

CaO2

c)

Ca2O

10.

Which of the following compounds contains three elements (metal, nonmetal and oxygen)?

a)

Sodium chloride

b)

Sodium oxide

c)

Sodium chlorate

11.

How is a covalent bond formed?

a)

By sharing pairs of electrons between two atoms

b)

By transferring electrons to form oppositely charged ions

c)

By delocalising outer electrons in a lattice of positive ions

12.

What combination of elements will form covalent bonds?

a)

Metal atom and another metal atom

b)

Metals atom and non-metal atom

c)

Non-metal atom and another non-metal atom

13.

What does this diagram of hydrogen chloride show about the bond being formed?

a)

The atoms share all eight electrons, one from the hydrogen atom and seven from the chlorine atom

b)

The bond is formed by sharing a pair of electrons, one from the hydrogen atom and one from the chlorine atom

c)

An electron is transferred from the hydrogen atom onto the chlorine atom to form ions

14.

How many covalent bonds will phosphorous (in group 5) usually form?

a)

3

b)

5

c)

1

15.

Which of the following have molecules which are held together by three covalent bonds?

a)

Water - H2O

b)

Carbon dioxide - CO2

c)

Ammonia - NH3

16.

How many atoms are in a molecule of methane?

a)

2

b)

4

c)

5

17.

How many shared pairs of electrons are there in a water molecule, formula H2O?

a)

2

b)

1

c)

3

18.

Which statement about simple covalent molecules is correct?

a)

Strong bonds between atoms in molecules, but weak forces between molecules

b)

Weak bonds between atoms in molecules, and weak forces between molecules

c)

Weak bonds between atoms in molecules, but strong forces between molecules

19.

Which is a typical property of covalent substances made from small molecules?

a)

High melting points

b)

Do not conduct electricity

c)

Mostly hard solids

20.

What force is overcome when covalent molecular substances melt or boil?

a)

Intermolecular forces

b)

Covalent bonds in molecules

c)

Electrostatic forces between ions

21.

Which of the following has a giant covalent structure?

a)

Carbon dioxide

b)

Magnesium oxide

c)

Silicon dioxide

22.

What structure is shown in the diagram?

a)

Diamond

b)

Graphene

c)

Graphite

23.

Why does silicon dioxide have such a high melting point?

a)

Because the silicon and oxygen atoms are held by strong intermolecular forces

b)

Because the silicon and oxygen atoms are held by many strong covalent bonds

c)

Because there are weak electrostatic forces between the silicon and oxygen atoms

24.

Why is graphite useful for pencil leads?

a)

It is hard with a high melting point due to each carbon having 3 strong covalent bonds

b)

It is black and slippery due to weak intermolecular forces between layers

c)

It is shiny and melts easily due to weak intermolecular forces between layers of molecules

25.

What type of structure do both diamond and graphite have?

a)

A giant covalent structure

b)

A giant ionic lattice structure

c)

A simple molecular structure

26.

Why is diamond used to coat metal drill bits?

a)

It is a good conductor of electricity

b)

It is very hard with a high melting point

c)

It is slippery and cheap

27.

Which of these is a covalent molecular structure?

a)
b)
c)
28.

Why does graphite conduct electricity?

a)

It has delocalised electrons

b)

It has a giant covalent structure

c)

It forms a tetrahedral arrangement

29.

Which of the following could have a molecular formula of C60?

a)

Graphite

b)

Fullerene

c)

Diamond

30.

Approximately how many carbon atoms might be linked together in a polymer molecule?

a)

Five

b)

Fifty

c)

Five thousand

31.

Which set of three properties do most metals show?

a)

Hard, malleable, low melting point

b)

Hard, malleable, high melting point

c)

Soft, malleable, high melting point

32.

What property of copper makes it suitable for electrical wiring?

a)

It is shiny

b)

It has a high density

c)

It is a good conductor of electricity

33.

What happens to the outer electrons in metallic structures?

a)

They are shared between atoms

b)

They are transferred between atoms

c)

They are delocalised

34.

Why can metals be beaten and bent into different shapes?

a)

Because the bonding between metal atoms is strong and cannot break

b)

Because the layers of metal atoms can slide over each other

c)

Because the outer electrons in metals are free to move about the structure

35.

Which type of bonding and structure has billions of non-metal atoms held together, in a regular structure, by sharing electrons between atoms?

a)

Covalent molecular structure

b)

Giant ionic lattice structure

c)

Giant covalent structure

36.

What is an ionic bond?

a)

A force of attraction between positive ions

b)

A force of attraction between negative ions

c)

A force of attraction between oppositely charged ions

37.

What do dot and cross diagrams, like the one shown below, help explain about a compound?

a)

How the electrons are shared to form the bonds

b)

The shape of the molecules formed

c)

The forces of attraction that hold the molecules together

38.

What does the 2D model of the sodium chloride lattice, shown below, help explain about the bonding and structure in sodium chloride?

a)

How the ions are formed by the loss and gain of electrons

b)

How the oppositely charged ions attract each other to form a regular pattern

c)

Why sodium chloride conducts electricity when molten or dissolved

39.

Where are the metals found in the periodic table?

a)

On the left and in the middle

b)

On the right

c)

Scattered all over

40.

What kind of bonding is in iron?

a)

Metallic

b)

Ionic

c)

Covalent

41.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
42.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
43.
An element with a mass number of 11 and an atomic number of 5 has how many neutrons?
a)
11
b)
5
c)
6
d)
16
44.
Which letter represents a proton?
a)
A
b)
B
c)
C
d)
D
45.
Which letter represents a neutron?
a)
A
b)
B
c)
C
d)
D
46.
Which letter represents an electron?
a)
A
b)
B
c)
C
d)
D
47.
Which letter represents the nucleus?
a)
A
b)
B
c)
D
d)
E
48.
Which subatomic particle has a positive (+) charge?
a)
Neutron
b)
Proton
c)
Electron
49.
Which subatomic particle has a negative (-) charge?
a)
Proton
b)
Electron
c)
Neutron
50.
Which subatomic particle has a neutral or no charge?
a)
Proton
b)
Electron
c)
Neutron
51.
How did Mendeleev arrange the elements?
a)
alphabetical 
b)
density
c)
melting point
d)
atomic mass
52.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
53.
The number at the bottom of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
chemical symbol
d)
element name
54.
The number at the top of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
Chemical Symbol
d)
Element Name
55.
All of the actinides are ___________.
a)
stable
b)
radioactive
c)
shiny
d)
named after scientists
56.
Most of the elements on the periodic table are classified as _____.
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Periods
57.
This class of elements are sometimes called "semiconductors."
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Groups
58.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
59.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
60.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
61.

Vertical columns of elements (these are also known as a "family") - they also have the same number of valence electrons and are known as ________________.

a)

groups

b)

periods

c)

quadrants

d)

rows

62.
The family in the periodic table that contains the most reactive metals is the_______
a)
Alkaline Earth Metals
b)
Transition Metals 
c)
Alkali Metals
d)
Other Metals
63.

Most noble gases have _______ valence electrons.

a)

1

b)

2

c)

7

d)

8

64.
In what section would Noble Gases be found?
a)
white
b)
yellow
c)
blue
d)
red
65.
All elements found on the left side of the Periodic Table of the Elements have what properties in common?
a)
They conduct heat and electricity 
b)
They are all gases 
c)
They are brittle and dull
d)
They are radioactive
66.
Which one of the following techniques would best be used to separate soil and water?
a)
Decanting
b)
distillation
c)
Filtration
d)
Chromatography
67.
Which one of the following solids is insoluble in water?
a)
sugar
b)
sand
c)
copper sulfate
d)
salt
68.
Two or more substances mingled together, but not chemically combined are known as a
a)
residue
b)
solution
c)
distillate
d)
mixture
69.

The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as

a)

decanting

b)

evaporation

c)

loading

d)

chromatography

70.

Which one of the following methods is used to separate the colors in food dyes?

a)

winnowing

b)

Threshing

c)

Crystallization

d)

chromatography

71.
When we combined the sand and water together, it formed a _________.
a)
mixture
b)
solution
72.
To separate sand and iron filings you would use a  ___________.
a)
a screen strainer
b)
coffee filter paper
c)
a magnet
d)
your hands
73.
A salad is an example of which?
a)
element
b)
compound
c)
mixture
d)
solution
74.
What does this picture represent?
a)
mixture
b)
solution
75.
Which statement describes a mixture?
a)
2 or more substances that CANNOT be easily separated
b)
2 or more substances that CAN be easily separated
c)
An example of a mixture is lemonade
d)
An example of a mixture is a Kool-Aid
76.
When one substance dissolves in another and the particles  are distributed uniformly throughout the other substance is a
a)
Mixture 
b)
Solution
77.

The substance that does the dissolving

a)

Solute

b)

Solvent

c)

Solution

d)

Miscibility

78.

The substance getting dissolved

a)

Solvent

b)

Solute

c)

Solution

d)

Mixture

79.

This is an example of a

a)

Solution

b)

Mixture

80.

Which process would you use to separate solid particles from larger particles in a mixture with filter paper in a funnel to trap solids so that the liquids will pass through.

a)

Chromatography

b)

Magnetic Attraction

c)

Filtration

d)

Floatation

e)

Sifting

81.

Which process would you use to separate solid particles from larger particles in a mixture with filter paper in a funnel to trap solids so that the liquids will pass through.

a)

Chromatography

b)

Magnetic Attraction

c)

Filtration

d)

Floatation

e)

Sifting

82.

Which process would you use to separate solids that float from the remaining solids and other items that remain in a liquid mixture. The solids float to the top on their own or when stirred, and are then skimmed off the surface of the liquid.

a)

Evaporation

b)

Magnetic Attraction

c)

Filtration

d)

Floatation

e)

Sifting

83.

Which process would you use to separate smaller solid particles from larger solid particles. A mixture of different sized solids is put into a container that has a screen material at the bottom with certain sized holes in it. The smaller particles go through the screen and the larger ones do not.

a)

Evaporation

b)

Magnetic Attraction

c)

Filtration

d)

Floatation

e)

Sifting

84.

Which is an example of a mixture?

a)

a salad

b)

an orange

c)

sand

d)

nuts

85.

Which is an example of a solution?

a)

trail mix

b)

cereal with milk and banannas

c)

a bag of candy

d)

tea

86.
Acids are a source of what type of ion?
a)
Hydrogen
b)
hydroxide
87.
What pH does an acid have?
a)
below 7
b)
7
c)
above 7
88.
what does this hazard sign tell us?
a)
corrosive 
b)
dangerous to the environment
c)
flammable
d)
deadly 
89.
What pH does a alkali have?
a)
below 7
b)
above 7
c)
7
90.
What colour does universal indicator go if it is neutral?
a)
Red
b)
Green
c)
Blue/ purple
91.
acid + base produces 
a)
salt and water
b)
salt and hydrogen
92.
what does this hazard sign tell us?
a)
corrosive 
b)
dangerous to the environment
c)
flammable
d)
deadly 
93.
A base dissolved in water is called an .... 
a)
Alkali
b)
Acid
94.
Do all bases dissolve in water?
a)
Yes
b)
No
95.
Sodium oxide + hydrochloric acid produces 
a)
Sodium hydroxide and water
b)
Sodium Chloride and water
c)
Sodium chloride and hydrogen
d)
Sodium nitrate and water 
96.
what type of reaction occurs between a base and a acid?
a)
Neutralisation
b)
Displacement
97.
What is the symbol for hydrochloric acid
a)
HCl
b)
H2SO4
98.
which of these is a base/ alkali?
a)
Sodium Chloride
b)
Sodium Nitrate
c)
Sodium Oxide
d)
Hydrochloric Acid
99.
During neutralisation what ions are reacting?
   
a)
H+ and Cl−
b)
Na+ and Cl− 
c)
H+ and OH−
d)
a+ and OH
100.
hydrogen gas is flammable, true or false?
a)
True
b)
False
101.
what does this hazard sign tell us?
a)
corrosive 
b)
dangerous to the environment
c)
flammable
d)
deadly 

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