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Worksheets

Chemistry MP1CP2 Review

Total questions: 50

Worksheet time: 8hrs 20mins

Name
Class
Date
1.

Which of the following has similar properties to potassium (K) because they are in the same group(family)

a)

Sodium (Na)

b)

Magnesium (Mg)

c)

Calcium (Ca)

d)

Gold (Au)

2.

An element exists as the three isotopes shown. What is the average atomic mass?

a)

20.74 amu

b)

22.56 amu

c)

18.39 amu

d)

24.31

3.

Atoms of elements in the same group have the same number of what?

a)

protons

b)

protons and neutrons

c)

valence electrons

d)

neutrons

4.
Which element is not in the Alkali metal family?
a)
Li
b)
H
c)
Fr
d)
Cs 
5.
Argon (Ar)
a)
alkali metal
b)
alkaline earth metal
c)
halogen
d)
noble gas
6.
Which is an alkaline earth metal?
a)
Calcium
b)
Rubidium
c)
Carbon
d)
Iodine
7.
Gold (Au)
a)
Transition Metal
b)
Alkali Metal
c)
Alkaline Earth Metal
d)
Heavy Metal
8.

size of an object

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

9.

a change in size, shape, or state of matter

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

10.

A 5 mL glass of water has a boiling point of 100 degrees Celcius. What would be the boiling point if the amount of sample is doubled? Hint : Boiling Point is intensive property

a)

50 degrees Celsius

b)

100 degrees Celsius

c)

150 degrees Celsius

d)

200 degrees Celsius

11.

What is the definition of intensive property?

a)

Properties that vary depending on the amount of matter

b)

Properties that do not change with amount of matter

12.

Which state of matter has a definite shape and definite volume?

a)

Solid

b)

Liquid

c)

Gas

13.

Which of the following is an extensive property?

a)

Color

b)

Mass

c)

Odor

d)

Luster

14.

State of matter that takes the shape of it's container and has a definite volume.

a)

Solid state

b)

Liquid state

c)

Gas state

d)

Plasma state

15.

Which separation technique is used to obtain salt from seawater?

a)

Simple distillation

b)

Filtration

c)

Chromatography

d)

Evaporation

16.

Which of the following statements tells us that a sample of liquid is pure water?

a)

It is colourless.

b)

It leaves no residue when filtered.

c)

It boils at 100oC.

d)

It is odourless.

17.

this arrangement can be used to separate

a)

mixture of sand and water

b)

mixture of salt and water

c)

ink components

d)

chalk and water

18.

A student placed a small chip of limestone into a hydrochloric acid solution, and carbon dioxide gas was released. The carbon dioxide provided evidence that

a)

only a physical change occurred.

b)

a chemical change occurred.

c)

only a loss of mass occurred.

d)

the formation of an element occurred.

19.

Mixtures are different than pure substances because mixtures-

a)

have lower boiling points

b)

can be separated physically

c)

are less dense than pure substances

d)

contain only one type of atom

20.

Which process represents a chemical change?

a)

A lake freezes over into ice

b)

Vinegar bubbles when baking soda is added

c)

A metal bar is rolled into a flat sheet

d)

Sand, water, and salt combine to form a mixture

21.

A student investigates the properties of an unknown liquid substance in a beaker. The student finds the substance has a mass of 56.2 g and a volume of 42.3 mL. The liquid has a yellow, translucent appearance. The liquid has a freezing point of 13°C and a boiling point of 105°C. When the liquid boils, a white powder residue is left in the beaker.

What conclusion can the student make based on the evidence collected?

a)

The substance is a pure substance because it has a density that remains constant.

b)

The substance is a mixture because it has a yellow and translucent appearance.

c)

The substance is a pure substance because it has a definite freezing point and boiling point.

d)

The substance is a mixture because it left a white powder in the beaker when boiled.

22.
What was Dmitri Mendeleev's greatest contribution to the history of the periodic table?
a)
He arranged all of the known elements by their atomic number
b)
He realised that there was a pattern of reactivity which repeated every 8 elements
c)
He predicted the existence (and properties) of new elements
d)
He identified the "law of triads" which became the groups
23.
As you move across the periodic table from left to right, the atomic radius decreases.  This is because - 
a)
the number of protons increases, so attraction to electrons increases
b)
the number of energy levels increases
c)
the number of electrons increases
d)
the atomic mass increases
24.
As you move across the periodic table from left to right, the atomic radius decreases.  This is because - 
a)
the number of protons increases, so attraction to electrons increases
b)
the number of energy levels increases
c)
the number of electrons increases
d)
the atomic mass increases
25.

Select the element with the largest atomic radius

a)

Potassium

b)

Scandium

c)

Gallium

d)

Arsenic

26.

Select the element most likely to lose an electron

a)

Magnesium

b)

Sulfur

c)

Barium

d)

Oxygen

27.

Select the element with the highest ionization energy

a)

Sodium

b)

Aluminum

c)

Phosphorous

d)

Chlorine

28.

Select the element with the highest electronegativity

a)

Chlorine

b)

Silicon

c)

Argon

d)

Magnesium

29.

Select the element with the largest atomic radius

a)

Cesium

b)

Lithium

c)

Hydrogen

d)

Potassium

30.

Select the element that has 3 valence electrons

a)

Calcium

b)

Sodium

c)

Aluminum

d)

Sulfur

31.
Gold foil experiment
a)
Dalton
b)
Bohr
c)
Rutherford
d)
Schrondinger
32.

Which scientist first concluded that electrons orbit around the nucleus?

a)

Rutherford

b)

Dalton

c)

Thomson

d)

Schrodinger

33.
Determined that electron paths cannot be predicted and exist inside the Electron Cloud.
a)
Schrodinger & Heisenberg
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
34.

In Rutherford's Gold Foil experiment, what particle was aimed at the gold foil?

a)

alpha particles

b)

beta particles

c)

photons

d)

marbles

35.

In the electron cloud model of the atom, what does the cloud represent?

a)

the limits of the electron location

b)

the probability of the electron location

c)

the average distance between the electron and the nucleus

d)

the minimum distance between the electron and the nucleus

36.

Which wave has a longer wavelength?

a)

wave C

b)

wave D

37.

Which wave has a greater frequency?

a)

wave B

b)

wave C

38.
The higher the frequency the ______ the energy. 
a)
higher
b)
lower
c)
neither, stays the same
39.
Which electromagnetic waves have the highest frequencies and the shortest wavelengths?
a)
microwaves
b)
visible light
c)
gamma rays
40.
What do carbon-12 and carbon-14 have in common?
a)
they have same number of protons
b)
they have the same number of neutrons
c)
they have the same atomic mass
d)
they have the same atomic weight
41.
How is carbon-12 different from carbon-14?
a)
They have a different number of protons
b)
they have a different number of electrons
c)
they have a different number of neutrons
42.

Isotopes of an element have a different number of...

a)

Protons

b)

Neutrons

c)

Electrons

43.
How many electrons should Carbon have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
44.

This is a correct dot diagram for oxygen (O)?

a)

true

b)

false

45.

What element does this Lewis Dot Digram represent?

a)

Li

b)

Al

c)

C

d)

Be

46.

Which Lewis Dot Diagram would represent Chlorine?

a)
b)
c)
d)
47.

This could be the dot diagram of

a)

Si

b)

Br

c)

B

d)

S

48.

This is a correct dot diagram for neon (Ne)

a)

true

b)

false

49.
This is the correct dot diagram for nitrogen, group 15.
a)
true
b)
false
50.

How would you draw a Lewis dot diagram for Magnesium?

a)
b)
c)
d)