Free Printable Atoms and Molecules

1.

What is the term for combining 2 or more atoms together?

a)

atoms

b)

elements

c)

molecules

d)

compounds

2.

What is the picture displayed?

a)

Carbon Dioxide

b)

Water

c)

Gasoline

d)

Liquid Nitrogen

3.

All matter is made of what

a)

energy

b)

atoms

c)

electrons

d)

compounds

4.

This compound known as H₂O is more commonly know as what?

a)

Water

b)

Carbon dioxide

c)

Hydrogen peroxide

d)

Toothpaste

5.

Which of these items is made up of one or more molecules?

a)

Gold

b)

Hydrogen

c)

Salt

d)

Neon

6.

Elements are made of

a)

many types of atoms

b)

the periodic table

c)

one type of atom

d)

molecules

7.

All matter is made of

a)

energy

b)

atoms

c)

electrons

d)

compounds

8.

Two or more atoms chemically bonded together are called a

a)

atom

b)

element

c)

molecule

d)

mixture

9.

Which correctly describes the smallest amount of an element?

a)

Atom

b)

Molecule

c)

Compound

d)

Proton

10.

How would H2O be classified? Check all that apply.

a)

Atom

b)

Molecule

c)

Compound

11.

What is matter?

a)

Matter has mass and takes up space.

b)

Matter is charged atoms.

c)

Matter has a charge and a mass.

d)

Matter is polar molecules.

12.

all matter is made of what

a)

energy

b)

atoms

c)

electrons

d)

compounds

13.

What is a molecule?

a)

two elements bonded together (sharing electrons)

b)

a mixture of different substances

c)

smallest individual particles

d)

salt mixed in water

14.

What is a compound?

a)

Two different elements bonded together.

b)

Two of the same elements bonded together.

c)

A mixture of different substances.

d)

Two substances stuck together with glue.

15.

What is the chemical symbol of the element Hydrogen?

a)

Hy

b)

H

c)

Hydro

d)

Hg

16.

Which of the following is a chemical formula?

a)

H₂SO₄

b)

Si

c)

Hg

d)

C

17.

What is the chemical symbol for the element Carbon?

a)

C

b)

Ca

c)

Carb

d)

CO

18.

all matter is made of what

a)

energy

b)

atoms

c)

electrons

d)

compounds

19.

What is a molecule?

a)

Two or more atoms bonded together

b)

One element

c)

One atom

d)

Solid, Liquid, Gas

20.

Can atoms be cut in half?

a)

Yes

b)

No

21.

Anything that has mass and takes up space is

a)

matter

b)

atoms

c)

nucleus

d)

quark

22.

This element is found in every living thing

a)

blood

b)

lungs

c)

carbon

d)

hydrogen

23.

What is the symbol for helium?

a)

Hy

b)

H

c)

He

d)

Ho

24.

What is the symbol for hydrogen?

a)

Hy

b)

H

c)

He

d)

Ho

25.

What is the symbol for lithium?

a)

L

b)

Lt

c)

Li

d)

Lr

26.

What is the symbol for carbon?

a)

Ca

b)

Cr

c)

Co

d)

C

27.

What is the symbol for nitrogen?

a)

N

b)

Ni

c)

Ne

d)

No

28.

What is the symbol for oxygen?

a)

Ox

b)

O

c)

Og

d)

Oh no

29.

What is the symbol for sodium?

a)

s

b)

So

c)

N

d)

Na

30.

What is the symbol for magnesium?

a)

Mg

b)

Ma

c)

M

d)

Mn

31.

What is the symbol for aluminum?

a)

A

b)

Al

c)

Au

d)

Am

32.

What is the symbol for silicon ?

a)

S

b)

Sl

c)

Si

d)

Sn

33.

What is the symbol for sulfur ?

a)

Su

b)

S

c)

Sl

d)

Sr

34.

What is the symbol for potassium ?

a)

P

b)

K

c)

Po

d)

Ks

35.

What is the symbol for calcium?

a)

Ca

b)

Cr

c)

Co

d)

C

36.

silver

a)

Au

b)

Ag

c)

Si

d)

Ve

37.

gold

a)

Au

b)

G

c)

Go

d)

Ag

38.

copper

a)

C

b)

Cu

c)

Cp

d)

Cr

39.

Iron

a)

Fl

b)

I

c)

Fe

d)

Ir

40.

mercury

a)

He

b)

Me

c)

Hg

d)

My

41.

nickel

a)

Nc

b)

N

c)

Nl

d)

Ni

42.

lead

a)

P

b)

L

c)

Pb

d)

Le

43.

tin

a)

T

b)

Tn

c)

Sn

d)

St

44.

Na is the symbol for ____.

a)

helium

b)

sulfur

c)

neon

d)

sodium

45.

How many atoms are in S₈?

a)

1

b)

8

c)

16

d)

2

e)

I don't know

46.

What does the subscript tell me about the number?

a)

Number of atoms

b)

Number of elements

c)

Number of compounds

d)

Number to multiply the parentheses by

e)

Number to add

47.

How many atoms of carbon are in CO₂?

a)

1

b)

2

c)

3

d)

4

e)

I don't know

48.

How many atoms of carbon are in C₃H₈?

a)

1

b)

3

c)

8

d)

11

e)

I don't know

49.

All matter is made of what?

a)

energy

b)

atoms

c)

electrons

50.

How many elements are in this chemical formula?

HCl

a)

1

b)

2

c)

3

d)

4

51.

How many atoms of Carbon are in this formula? $C_{6\ }H_{12}O_6$

a)

6

b)

1

c)

12

52.

What elements are represented in this chemical formula? $Fe_2O_3$

a)

Iron, Oxygen

b)

Francium, Europium, Oxygen

c)

Ferrium, Oxygen

d)

Berylium, Oxygen

53.

What is the total number of atoms in this formula? $H_2O_2$

a)

2

b)

4

c)

3

54.

Is this an element or a compound? $CaSO_4$

a)

Element

b)

Compound

55.

How many elements are in C₆H₁₂O₆?

a)

1

b)

2

c)

3

d)

4

56.

How many atoms are there TOTAL in:
H₂SO₄

a)

6

b)

5

c)

7

d)

3

57.

How many Elements are in the compound C₂H₈O ?

a)

2

b)

1

c)

3

d)

0

58.

How many atoms of Hydrogen are in this compound

a)

1

b)

2

c)

3

d)

4

59.

How many atoms are in the element Carbon in this compound?
H₂C₃O₄N₅

a)

2

b)

3

c)

4

d)

5

60.

In this compound structure of alcohol, how many Hydrogen atoms are there?

a)

2

b)

4

c)

6

d)

8

61.

How many elements are in C₆H₁₂O₆?

a)

1

b)

2

c)

3

d)

4

62.

How many atoms are there TOTAL in:
H₂SO₄

a)

6

b)

5

c)

7

d)

3

63.

How many Sodium (Na) are in 6NaCl?

a)

1

b)

12

c)

6

64.

How many atoms of Oxygen are in this compound?

a)

1

b)

2

c)

3

d)

4

Atoms and Molecules

Total questions: 64

Worksheet time: 33mins

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