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WorksheetsUnit 3 Matter, Atoms, Elements and Compounds
Total questions: 54
Worksheet time: 48mins
Name
Class
Date
1.
What is matter?
a)
Volume of an object
b)
Anything that has mass and takes up space
c)
Mass of an object
d)
Space of an object
2.
What are the number of electrons in Carbon?
a)
12
b)
10
c)
6
d)
14
3.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
4.
The first energy level can hold up to how many electrons?
a)
8
b)
4
c)
2
d)
5
5.
How many neutrons are in the atom "K"?
a)
7
b)
19
c)
39
d)
20
6.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
7.
How do you find out the number of protons in an atom?
a)
atomic number
b)
atomic mass
c)
charge
d)
atomic mass - atomic number
8.
How do you find out the number of neutrons in an atom?
a)
atomic number
b)
atomic mass
c)
charge
d)
atomic mass - atomic number
9.
Which is an electron?
a)
A
b)
B
c)
C
10.
How are elements ordered on the Periodic Table?
a)
Alphabetical Order
b)
By their color.
c)
By their atomic mass.
d)
By their atomic number.
11.
All matter is made of _________.
a)
energy
b)
atoms
c)
electrons
d)
compounds
12.
A substance that is made up for one type of atom is called an:
a)
atom
b)
element
c)
compound
d)
mixture
13.
All matter is made of
a)
energy
b)
atoms
c)
air
d)
chemistry
14.
The positive particles of an atom are
a)
electrons
b)
atoms
c)
neutrons
d)
protons
15.
The central region of an atom where its neutrons and protons are is called the
a)
nucleus
b)
electron cloud
c)
core
d)
center
16.
Neutrons are
a)
negative
b)
positive
c)
neutral
d)
cows
17.
Electrons are
a)
negative and in the nucleus
b)
positive and at the edge of the atom
c)
not in an atom
d)
negative and at the edge of the atom
18.
Most of the atom is filled with
a)
electrons
b)
empty space
c)
the nucleus
d)
protons
19.
Which of the following is NOT matter
a)
air
b)
heat
c)
steam
d)
cow
20.
Element is a
a)
pure substance
b)
compound
c)
mixture
d)
molecule
21.
which one only has one type of atom In it.
a)
Element
b)
compound
22.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
23.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
24.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
25.
the smallest particle of matter
a)
atom
b)
element
c)
molecule
d)
compound
26.
made up of one or more of the same type of atom
a)
atom
b)
element
c)
molecule
d)
compound
27.
made up of two or more atoms chemically combined
a)
atom
b)
element
c)
molecule
d)
compound
28.
made up of two or more DIFFERENT atoms/elements chemically combined
a)
atom
b)
element
c)
molecule
d)
compound
29.
Is NO2 an element or a compound?
a)
element
b)
compound
30.
What is formed when two or more elements join together?
a)
Proton
b)
Compound
c)
Neutron
d)
Mixture
31.
What is H2SO4
made up of?
made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
32.
A section of the Periodic Table of Elements is provided. What is the chemical symbol for magnesium?
a)
Mn
b)
Magnesium
c)
Mg
d)
12
33.
Salt has a chemical formula of NaCl. Salt is a...
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
34.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
35.
What is H2SO4
made up of?
made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
36.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
37.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
38.
_____ small particles that make up most types of matter on Earth.
a)
compounds
b)
atoms
c)
mixtures
d)
elements
39.
One particle of H2O is an example of
a)
Atom
b)
Molecule
c)
Element
d)
Proton
40.
When elements combine their properties
a)
change to form a new substance
b)
stay the same
41.
mass
a)
the amount of space an object takes up
b)
the amount of matter in an object
c)
the amount of matter in a given volume
d)
the smallest unit of matter
42.
Unit for density
a)
g
b)
ml
c)
g/cm2
d)
g/cm3
43.
To find the volume of a liquid you
a)
use displacement
b)
use an electric balance
c)
fill a graduated cylinder
d)
use a spring scale
44.
What units is volume measured in?
a)
grams
b)
degrees
c)
milliliters or cm3
d)
pounds
45.
Why do ice cubes float in a glass of water?
a)
the ice cubes are more dense than the water
b)
the water is more dense than the ice cubes
c)
the water is more dense than the glass
d)
the ice is more dense than the glass
46.
What is the density of a substance that has a mass of 30g and a volume of 6 liters?
a)
24 g/l
b)
5 g/l
c)
36 g/l
d)
180 g/l
47.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
48.
Q6: Anything that has mass or takes up space is known as...
a)
matter
b)
objects
c)
physical properties
d)
science
49.
What units are used to measure mass of an object?
a)
cm
b)
cm3
c)
g
d)
g/cm3
50.
What is the formula to calculate density
a)
mass/volume
b)
mass x volume
c)
mass + volume
d)
mass - volume
51.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
52.
The amount that gravity pulls on you is called _________
a)
mass
b)
volume
c)
weight
d)
density
53.
Which does 12.0 grams represent?
a)
mass
b)
volume
c)
speed
d)
force
54.
A cubic centimeter (cm3) is equal to
a)
1 milliliter (mL)
b)
1 liter (L)
c)
1 foot
d)
1 meter (M)
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