wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Pre-Test Chemistry

Total questions: 62

Worksheet time: 10hrs 37mins

Name
Class
Date
1.

What does a represent?

a)

Proton

b)

Neutron

c)

Electron

2.

What does b represent?

a)

Proton

b)

Neutron

c)

Electron

3.

What does c represent?

a)

Proton

b)

Neutron

c)

Electron

4.

What is the atomic mass of this element?

a)

20

b)

60

c)

40

d)

41

5.

What is the symbol of this element?

a)

Calcium

b)

P

c)

Ca

d)

C

6.

protons

a)

negative charge, nucleus

b)

positive charge, shells

c)

positive charge , nucleus

d)

neutral charge, nucleus

7.

neutrons

a)

no charge, shells

b)

positive charge, nucleus

c)

neutral, no charge, nucleus

d)

negative charge, shells

8.

electrons

a)

no charge, nucleus

b)

positive charge, nucleus

c)

negative charge, shells

d)

negative charge, nucleus

9.
The characteristics or properties of metals include
a)
shiny and solid
b)
ductile and malleable
c)
lose electrons
d)
all of the above
10.
Which particle contributes the negative charge to the atom?
a)
proton
b)
electron
c)
neutron
d)
nucleus
11.
Water is an element?
a)
true
b)
false
12.
Gold is an example of a(n) 
a)
pure element
b)
pure compound
c)
pure mixture
13.

What is the number of protons that the element in this image contain?

a)

14

b)

7

c)

15

d)

18

14.
"C" is the element symbol for which element?
a)
calcium
b)
carbon
c)
chlorine
d)
cadmium
15.

True or False? Neutrons have a negative charge

a)

True

b)

False

16.
A _________ is a substance made of two or more DIFFERENT elements chemically combined. 
a)
mixture
b)
compound
c)
substance 
17.
A mixture can be separated by ________ means. 
a)
physical
b)
chemical
18.

What is the atomic number of this element?

a)

20

b)

60

c)

40

d)

41

19.

An electron is

a)

positively charged

b)

neutral

c)

negatively charged

20.

atomic number is

a)

the number of protons

b)

the number of electrons

c)

the number of neutrons

d)

the location of an atom on the periodic table

21.

Atomic Mass is the number of

a)

protons and neutrons in the nucleus of an atom

b)

protons and electrons in the nucleus of an atom

c)

neutrons and electrons in the nucleus of an atom

22.

Conservation of mass means

a)

all the atoms present before a chemical reaction are not present after

b)

atoms present before chemical reactions are present after

c)

new substances and new elements are formed in a chemical reaction

23.

An elements is

a)

a substance that cannot be split into simpler substances

b)

a substance that can be split into simpler substances

24.

A molecule is

a)

a singular particle of a particular element

b)

another name for an element

c)

2 or more atoms that are combined

25.

which of the statements on physical changes are correct

a)

A physical change cannot be reversed

b)

A physical change is a change in state

c)

A physical change is a change in form

d)

A physical change is where new substances are formed

26.

Signs of a chemical change include;

a)

change of colour, change of temperature, precipitate (solid) formed, gas released.

b)

change of colour, reversing back to original form, precipitate (solid) formed, gas released.

27.

Water is the product of the reactants:

a)

oxygen and water

b)

oxygen and carbon

c)

hydrogen and oxygen

28.

The type of reaction that releases energy as heat is called

a)

endothermic

b)

exothermic

c)

respiration

d)

photosynthesis

29.

which of the following are the characteristics of a chemical reaction (choose multiple answers)

a)

change of state

b)

change of colour

c)

change of precipitation

d)

formation of precipitation

e)

change of smell

30.

when a substance does not undergo a chemical reaction is known as a chemical change

a)

true

b)

false

31.

the chemical reactions which proceed with the release _________ are called _______________________________

a)

heat energy , endothermic reaction

b)

heat energy , exothermic reaction

c)

light energy , endothermic reaction

d)

light energy , exothermic reaction

32.

on which side are the reactants written

a)

left hand side

b)

right hand side

c)

middle

d)

nowhere

33.

which is the odd one out : PRODUCTS , REACTANTS , PLUS SIGN , ARROW , MINUS SIGN

a)

PRODUCTS

b)

REACTANTS

c)

PLUS SIGN

d)

ARROW

e)

MINUS SIGN

34.

products are always written on the

a)

right hand side

b)

left hand side

c)

middle

d)

none

35.

a chemical equation that represents a chemical reaction briefly in words is called chemical equation

a)

true

b)

false

c)

cant tell

d)

none

36.
an atom with atomic number 6 would have how many protons 
a)
6
b)
12
c)
3
d)
cannot be determined 
37.
a)
Neutrons = Mass Number + Atomic Number
b)
Neutrons = Mass Number - Atomic Number
c)
Neutrons = Atomic Number + Electrons
d)
Neutrons = Atomic Number - Electrons
38.
a)
Mass Number = Atomic Number + Neutrons
b)
Mass Number = Atomic Number - Neutrons
c)
Mass Number = Atomic Number + Electrons
d)
Mass Number = Atomic Number - Electrons 
39.
a)
Electrons that are inside the nucleus
b)
Electrons on the outermost energy level 
c)
Electrons that are closest to the nucleus
d)
Electrons that have a positive charge
40.
a)
Number of protons
b)
Number of neutrons
c)
Number of electrons
d)
Mass Number
41.
a)
The number of protons
b)
The number of neutrons
c)
The Mass Number
d)
The number of valence electrons
42.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
43.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
44.
The particles that are found in the nucleus of an atom are
a)
neutrons and electrons
b)
electrons only
c)
protons and neutrons
d)
protons and electrons
45.
Where are electrons of an atom found?
a)
Nucleus
b)
Electron Cloud
c)
Some are in the nucleus and some in the electron cloud.
d)
They are moving everywhere.
46.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

47.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
48.

The horizontal (side to side) rows in the Periodic Table are called

a)

groups

b)

families

c)

periods

d)

atomic numbers

49.

What are the three main groups of the periodic table?

a)

groups

b)

metal

c)

nonmetals

d)

metalloids

e)

periods

50.

Which of the following elements is a non-metal in group 14?

a)

Carbon (C)

b)

Silicon (Si)

c)

Tin (Sn)

d)

Lead (Pb)

51.

Which two elements are in the same period?

a)

boron (B) and lithium (Li)

b)

beryllium (Be) and calcium (Ca)

c)

phosphorus (P) and oxygen(O)

d)

boron (B) and phosphorus (P)

52.

Metals are located on the

________ side of the

Periodic Table.

a)

ZIG-ZAG

b)

LEFT

c)

RIGHT

d)

BOTTOM

53.

Find the element on Period 3 and Group 17. What is

this element’s chemical symbol?

a)

F

b)

Br

c)

Cl

d)

I

54.
Oxygen’s atomic number is 8. This means that an oxygen atom must have
a)
8 electrons
b)
8 protons
c)
8 neutrons
d)
a mass number of 8
55.
How many electrons are in the element, Oxygen, with the atomic number of 8?
a)
7
b)
10
c)
8
d)
9
56.

What are the three particles that make up the atom?

a)

protons, neutrons and isotopes

b)

protons, negatives and electrons

c)

neutrons, isotopes and electrons

d)

protons, neutrons and electrons

57.

An element with a mass number of 10 and an atomic number of 6 has how many neutrons?

a)

6

b)

8

c)

4

d)

10

58.

How many valence (outer) electrons does an Oxygen atom have?

a)

2

b)

6

c)

8

d)

16

59.

What does the Bohr Model represent?

a)

The structure of molecules

b)

The structure of the Solar System

c)

The structure of an atom

d)

The structure of East Hills

60.

In the molecule C6H12O6, how many hydrogen atoms are there?

a)

1

b)

6

c)

12

d)

24

61.

How many energy levels does this element have?

a)

6

b)

2

c)

4

d)

5

62.

This is a correct dot diagram for neon (Ne)

a)

true

b)

false