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Review for Structure of Matter Test

Total questions: 45

Worksheet time: 51mins

Name
Class
Date
1.

What is the basic building block of matter (made of protons, electrons, and neutrons)?

a)

Matter

b)

Molecule

c)

Atom

d)

Crystal

2.

Solid material whose atoms are arranged in an ordered pattern

a)

Matter

b)

Molecule

c)

Crystal

d)

Substance

3.

Anything with both volume and mass

a)

Matter

b)

Molecule

c)

Atom

d)

Crystal

4.

Matter with consistent properties throughout

a)

Matter

b)

Molecule

c)

Crystal

d)

Substance

5.

Atoms can be combined to form ___________of various substances

a)

Molecules

b)

Substances

c)

Solids

d)

Electrons

6.

How are elements different from atoms?

a)

Elements are made out of atoms

b)

Atoms are made out of elements

c)

Elements are made out of molecules

d)

Molecules are made out of atoms.

7.

What subatomic particles would you find in the nucleus of an atom?

a)

Protons only

b)

Protons and Neutrons

c)

Neutrons and Electrons

d)

Protons and Electrons

8.

What subatomic particle(s) would be found orbiting the nucleus?

a)

Neutrons only

b)

Electrons only

c)

Protons and Neutrons

d)

Protons and Electrons

9.

Which subatomic particles contribute the most to the mass of an atom?

a)

Protons, Neutrons, Electrons

b)

Protons only

c)

Protons and Electrons

d)

Protons and Neutrons

10.

The positive particles of an atom are

a)

electrons

b)

positrons

c)

neutrons

d)

protons

11.

Particles in an atom that are neutral and have no charge are

a)

negatrons

b)

electrons

c)

neutrons

d)

protons

12.

the central region of an atom where its neutrons and protons are is its

a)

nucleus

b)

electron cloud

c)

core

d)

center

13.

What are the 3 subatomic particles that make-up the atom?

a)

protons, neutrons, and isotopes

b)

neutrons, isotopes, and electrons

c)

positives, negatives, and electrons

d)

protons, neutrons, and electrons

14.

Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –

a)

a gas at room temperature.

b)

made of two different elements.

c)

given off by green plants.

d)

useful to human beings.

15.

How many protons does this atom have?

a)

2.5

b)

6

c)

5

d)

10.811

16.

If the number of protons equal the number of _____, the atom will have no charge

a)

protons

b)

neutrons

c)

electrons

d)

nucleus

17.

Which of the following represents an element?

a)

H2O

b)

H2

c)

NaCl

d)

CaCO3

18.

Salt has a chemical formula of NaCl. Salt is a...

a)

Compound

b)

Element

c)

Mixture

d)

None of the Above

19.

The atomic number tells you what?

a)

number of electrons

b)

number of protons

c)

number of neutrons

d)

both electrons and protons in an atom.

20.

Number of protons and neutrons

a)

atomic number

b)

atomic mass

c)

noble gases

d)

Non-metals

21.

This particle determines what element you have - the elements identity.

a)

electron

b)

proton

c)

neutron

d)

valence shell

22.

What is the atomic number of this atom?

a)

1

b)

3

c)

4

d)

7

23.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

24.

What is the atomic number of K? (enlarge the periodic table)

a)

10

b)

3

c)

19

d)

13

25.

An element has the mass number 12 and atomic number 6. The number of neutrons in it is:

a)

6

b)

10

c)

4

d)

8

26.

Which subatomic particle has a negative charge in the atom?

a)

proton

b)

neutron

c)

electron

d)

quark

27.

If an atom has 10 electrons, how many protons does it have?

a)

0

b)

1

c)

10

d)

5

28.

How many electrons are in an atom with an atomic number of 50?

a)

5

b)

8

c)

50

d)

2

29.

All ____________ are made up of two or more atoms bonded together.

a)

atoms

b)

molecules

c)

electrons

d)

elements

30.

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

a)

formula

b)

atom

c)

subscript

d)

compound

31.

A recipe for a chemical substance is called a ________ _________.

a)

coefficent

b)

chemical formula

c)

Oxygen

d)

atom

32.

2H2O

How many H2O molecules are present?

a)

1

b)

4

c)

2

d)

8

33.

H2O2← ?

This number tells the number of atoms present.

a)

coefficient

b)

molecule

c)

subscript

d)

atom

34.

An _______________ is made up of one or more of the same kind of atom chemically combined.

a)

atom

b)

element

c)

molecule

d)

compound

35.

A _____________ contains a variety of elements and compounds that are not chemically combined with each other.

a)

compound

b)

element

c)

molecule

d)

mixture

36.

A __________________ is a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity.

a)

mixture

b)

pure substance

c)

compound

d)

element

37.

A ______________ mixture is one that does not have the same composition through out.

a)

heterogeneous

b)

homogenous

c)

pure substance

38.

A _________________ mixture is one where the substances are evenly spread throughout.

a)

heterogeneous

b)

homogeneous

c)

pure substance

39.

Coffee, mouthwash, and vinegar are examples of __________________ mixtures.

a)

heterogeneous

b)

homogeneous

c)

pure

40.

Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.

a)

heterogeneous

b)

homogeneous

c)

pure

41.

Which of these is an element?

a)

Salt (NaCl)

b)

Water (H20)

c)

Oxygen (O)

d)

Carbon Dioxide (CO2)

42.

Which of these is a compound?

a)

Aluminium (Al)

b)

Carbon Dioxide (CO2)

c)

Nitrogen (N)

d)

Sand

43.

How many hours have you studied for your test ?

a)

0 hours

b)

1 hour

c)

2 hours

d)

3+ hours

44.

From 1 to 5 how well do you understand this topic?

a)

1- I have no Idea what we are learning

b)

2- I have some idea but am really really confused still

c)

3- I feel ok about what we are learning but still need some practice

d)

4- I feel really good about this topic but will still study

e)

5- I am a pro and could teach this to someone else

45.

Some questions I still have are ____________

4 lines

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