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Structure of Matter Final Test, Part A

Total questions: 26

Worksheet time: 24mins

Name
Class
Date
1.

What is the smallest unit of an element that retains its chemical properties?

a)

molecule

b)

compound

c)

ion

d)

atom

2.

Which state of matter has a definite shape and volume?

a)

liquid

b)

gas

c)

solid

d)

plasma

3.

What are the three subatomic particles that make up an atom?

a)

protons, neutrons, and positrons

b)

protons, electrons, and photons

c)

protons, neutrons, and electrons

d)

protons, neutrons, and quarks

4.

What is the symbol for the element Oxygen?

a)

O

b)

N

c)

C

d)

H

5.

What is the term for a substance that is made up of two or more atoms chemically bonded together?

a)

compound

b)

ion

c)

element

d)

molecule

6.

Which state of matter has a definite volume but takes the shape of its container?

a)

solid

b)

gas

c)

plasma

d)

liquid

7.

What is the number of protons in the nucleus of an atom called?

a)

nuclear charge

b)

electron number

c)

atomic mass

d)

atomic number

8.

What is the term for a substance that cannot be broken down into simpler substances by chemical means?

a)

atom

b)

compound

c)

element

d)

mixture

9.

What is the symbol for the element Carbon?

a)

Cu

b)

Co

c)

Ca

d)

C

10.

Which state of matter has neither a definite shape nor a definite volume?

a)

plasma

b)

solid

c)

gas

d)

liquid

11.

What is the number of neutrons in the nucleus of an atom called?

a)

atomic number

b)

proton number

c)

electron number

d)

neutron number

12.

What is the term for a pure substance made up of only one type of atom?

a)

compound

b)

element

c)

mixture

d)

solution

13.

What is the symbol for the element Hydrogen?

a)

C

b)

O

c)

He

d)

H

14.

An electron is a subatomic particle with a ________charge.

a)

negative

b)

neutral

c)

positive

d)

neutral and negative

15.

Define a compound in chemistry.

a)

A compound is a substance made of one chemical element.

b)

A compound is a group of molecules that make up cells.

c)

A compound is a substance made up of two or more different chemical elements combined in a fixed ratio.

d)

A compound is a pure substance.

16.

What is the Periodic Table of Elements?

a)
A tabular arrangement of chemical elements
b)
A map of the solar system
c)
A chart of the human body
d)
A list of common household items
17.

What is the definition of Atomic Weight?

a)
The average mass of atoms of an element
b)
The number of neutrons in an atom
c)
The number of protons in an atom
d)
The total number of atoms in an element
18.

What is the term for a homogeneous mixture of two or more substances?

a)

compound

b)

element

c)

solution

d)

mixture

19.

Which of the following is NOT a state of matter?

a)

solid

b)

liquid

c)

gas

d)

energy

20.

What is the symbol for Iron on the Periodic Table of Elements?

a)
In
b)
Fe
c)
Ir
d)
Io
21.

What is the formula used to calculate force?

a)
F = mv
b)
F = mt
c)
F = ma
d)
F = md
22.

What is the formula used to calculate density?

a)
mass + volume
b)
mass - volume
c)
mass * volume
d)
mass/volume
23.

How many elements are in the Periodic Table?

a)
118
b)
110
c)
100
d)
92
24.

What is the difference between an atom and a molecule?

a)
An atom is a solid particle, while a molecule is a liquid or gas.
b)
An atom is made up of multiple elements, while a molecule is made up of a single element.
c)
An atom is a type of molecule.
d)
An atom is the smallest unit of a chemical element, while a molecule is a group of two or more atoms held together by chemical bonds.
25.

He represents what element on the Periodic Table?

a)
Hydrogen
b)
Oxygen
c)
Carbon
d)
Helium
26.

Define a solid, liquid, and gas. Provide one example of each state of matter.

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