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Yr 9 Chemistry Chs 2-3 Review Quiz

Total questions: 55

Worksheet time: 35mins

Name
Class
Date
1.

Which of the following is not a fundamental sub-atomic particle

a)

nucleus

b)

proton

c)

electron

d)

neutron

2.

This sub-atomic particle has a negative charge

a)

electron

b)

neutron

c)

proton

d)

neon

3.

This sub-atomic particle has a positive charge

a)

electron

b)

neutron

c)

proton

d)

neon

4.

This sub-atomic particle has no charge

a)

electron

b)

neutron

c)

proton

d)

neon

5.

The nucleus has a ______________ charge

a)

negative

b)

neutral

c)

positive

d)

valence

6.

(a) represents the

a)

chemical symbol

b)

atomic mass

c)

element name

d)

atomic number

7.

(b) represents the

a)

chemical symbol

b)

atomic mass

c)

element name

d)

atomic number

8.

(c) represents the

a)

chemical symbol

b)

atomic mass

c)

element name

d)

atomic number

9.

The vertical columns of the periodic table are also called

a)

periods

b)

groups

c)

families

d)

orbitals

10.

The horizontal rows of the periodic table are also called

a)

periods

b)

groups

c)

families

d)

halogens

11.

Horizontal rows of the periodic table represent

a)

halogens

b)

groups

c)

families

d)

electron shells

12.

An element is defined by the specific number of

a)

protons

b)

electrons

c)

neutrons

d)

atomic mass

13.

Methane [CH4] is a/an

a)

element

b)

ion

c)

compound

d)

radical

14.

Mg 2+ is a/an

a)

element

b)

ion

c)

compound

d)

radical

15.

O2 is a/an

a)

element

b)

ion

c)

compound

d)

molecule

16.

Pb is a/an

a)

element

b)

ion

c)

compound

d)

molecule

17.

Lemon juice most likely has a pH of

a)

3

b)

7

c)

9

d)

14

18.

Toothpaste most likely has a pH of

a)

3

b)

7

c)

9

d)

14

19.

Water has a pH of

a)

3

b)

7

c)

8

d)

14

20.

A very strong acid will turn universal indicator

a)

red

b)

yellow

c)

blue

d)

purple

21.

A very strong base will turn universal indicator

a)

purple

b)

light blue

c)

green

d)

red

22.

Acids release __________ ions in solution

a)

OH-

b)

H+

c)

H2O

d)

Cl-

23.

Bases release __________ ions in solution

a)

OH-

b)

H+

c)

H2O

d)

Cl-

24.

Which of the following is an example of an acid + metal reaction

a)

HNO3 + CaCO3

b)

H2SO4 + NaOH

c)

HCl + Zn

d)

CH4 + O2

25.

Which of the following is an example of an acid + base reaction

a)

HNO3 + CaCO3

b)

H2SO4 + NaOH

c)

HCl + Zn

d)

CH4 + O2

26.

Which of the following is an example of an acid + carbonate reaction

a)

HNO3 + CaCO3

b)

H2SO4 + NaOH

c)

HCl + Zn

d)

CH4 + O2

27.

Which of the following is an example of combustion reaction

a)

HNO3 + CaCO3

b)

H2SO4 + NaOH

c)

HCl + Zn

d)

CH4 + O2

28.

Complete combustion produces

a)

CO2 + CH4

b)

C + H2O

c)

CO + H2O

d)

CO2 + H2O

29.

If a chemical reaction is EXOTHERMIC, the temperature would....

a)

Stay the same

b)

Increase

c)

Decrease

d)

be lost

30.

In photosynthesis, what kind of molecule does hydrogen start in?

a)

water

b)

oxygen

c)

glucose

d)

carbon dioxide

31.

What are the reactants in Photosynthesis?

a)

Sun, CO2, glucose

b)

glucose and oxygen

c)

sun, carbon dioxide, water

d)

water, glucose

32.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
33.

Acid + a metal creates

a)

sugar + oxygen gas

b)

salt + hydrogen gas

c)

salt + carbon dioxide + water

d)

salt + water

34.

Acid + a base creates

a)

sugar + oxygen gas

b)

salt + hydrogen gas

c)

salt + carbon dioxide + water

d)

salt + water

35.

Acid + a carbonate creates

a)

sugar + oxygen gas

b)

salt + hydrogen gas

c)

salt + carbon dioxide + water

d)

salt + water

36.

Magnesium bromide is an ionic compound with the chemical formula MgBr₂. What does the "2" tell you?

a)

There are 2 bromide ions for every magnesium ion

b)

Bromide has a 2- charge

c)

Bromide has a 2+ charge

d)

There are 2 magnesium ions to every bromide ion

37.

Which of the following pairs of elements will NOT form an ionic compound?

a)

sodium and fluorine

b)

phosphorous and aluminum

c)

potassium and magnesium

d)

strontium and oxygen

38.

Which of the following is not a property of Non-Metals

a)

gain electrons

b)

lose electrons

c)

gas

d)

brittle

39.

What is the correct formula for the compound, lithium oxide?

a)

LiO

b)

Li2O

c)

LiO2

d)

Li2O2

40.

What is the formula for aluminum fluoride?

a)

AlF

b)

Al2F3

c)

AlF3

d)

Al3F2

41.

Oxygen has (a)   valence electrons.

42.

Lithium has (a)   valence electrons.

43.

Magnesium has (a)   valence electrons.

44.

Chlorine has (a)   valence electrons.

45.

The corrosion on/of iron [Fe] is called

a)

verdigris

b)

rust

c)

tarnish

d)

anodising

46.

The corrosion on/of copper [Cu] is called

a)

verdigris

b)

rust

c)

tarnish

d)

anodising

47.

The corrosion on/of aluminium [Al] is called

a)

verdigris

b)

rust

c)

tarnish

d)

anodising

48.

The corrosion on/of silver [Ag] is called

a)

verdigris

b)

rust

c)

tarnish

d)

anodising

49.

12 carat gold is

a)

25% pure gold

b)

50% pure gold

c)

75% pure gold

d)

100% pure gold

50.

Which of the following is not a properties of METALS?

a)

lustrous

b)

ductile

c)

poor conductor of electricity

d)

malleable

51.

Which is a finding attributed to Rutherford's Gold Foil Experiment?

a)

atoms are indivisible and have a dense positive nucleus.

b)

atoms are divisible and have multiple layers of electrons scattered uniformly about the atom.

c)

atoms are like plum pudding with positive and negative charges uniformly scattered throughout the atom.

d)

atoms are mostly empty space with a dense positive nucleus.

52.

What evidence did Rutherford use to support the idea that the atom was mostly empty space?

a)

the vast majority of the alpha particles went through the foil unaffected.

b)

the vast majority of the alpha particles were deflected at 90 degrees.

c)

one alpha particle was deflected by the gold foil.

d)

beams of alpha particles were deflected by magnets.

53.

Democritus was a philosopher who opposed Aristotle; his idea of the atom was that it was made of indivisible particles called

a)

atomos

b)

matter

c)

indivison

d)

stuff

54.

The atomic model associated with Thomson is the

a)

plum pudding model

b)

nuclear mode.

c)

planetary model

d)

the electron cloud model

55.

The Cathode Ray Tube works on the same principle as the

a)

radio

b)

refrigerator

c)

MRI used in hospitals

d)

TV

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