Free Printable Atoms & Periodic Table

1.

The atomic number tells you what?

a)

number of neutrons

b)

number of protons

2.

A neutron has a charge of

a)

+2

b)

No charge

c)

-1

d)

+1

3.

What does the 1.00794 stand for?

a)

Hydrogen

b)

atomic number

c)

atomic mass

d)

atomic explosion

4.

What is the chemical symbol for Lithium?

a)

H

b)

He

c)

Li

d)

N

5.

Which two subatomic particles are found in the NUCLEUS of at atom?

a)

protons & neutrons

b)

protons & electrons

c)

neutrons & electrons

d)

electrons & protons

6.

Which of the following is found farthest from the center of an atom?

a)

nucleus

b)

proton

c)

neutron

d)

electron

7.

The positive particles of an atom are

a)

electrons

b)

positrons

c)

neutrons

d)

protons

8.

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

a)

nucleus

b)

electron cloud

c)

core

d)

center

9.

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

a)

negatrons

b)

electrons

c)

neutrons

d)

protons

10.

True or False: Neutrons have a negative charge

a)

True

b)

False

11.

A particle that moves around the nucleus is a(n)...

a)

Proton

b)

Neutron

c)

Electron

d)

Quark

12.

the basic structural unit of matter

a)

atom

b)

matter

c)

element

d)

nucleus

13.

a collection of atoms of one type that cannot be broken down into simpler substances by ordinary chemical or physical means

a)

element

b)

matter

c)

electron

14.

one or two letters that represent the name of an element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

15.

a unique number for each element that equals the number of protons in an atom of that element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

16.

the mass of an atom, calculated by adding the number of protons and neutrons in the nucleus of the atom

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

17.

How many protons does Lithium (Li) have?

a)

3

b)

6

c)

12

d)

25

18.

How many electrons does Sulfur have?

a)

12

b)

16

c)

25

d)

35

19.

How many neutrons does Fluorine have?

a)

9

b)

10

c)

18

d)

19

20.

How many neutrons does Carbon have?

a)

6

b)

8

c)

12

d)

18

21.

How many electrons does Oxygen have?

a)

6

b)

8

c)

10

d)

16

22.

The atomic number is the same as

the---

a)

atomic mass

b)

group number

c)

number of protons

d)

period number

23.

True or false
Atomic Mass= Protons + Neutrons

a)

True

b)

False

24.

What is the atomic mass of "F" (hint: round if you need to)

a)

9

b)

18

c)

17

d)

19

25.

All matter is made of _________.

a)

compounds

b)

atoms

c)

electrons

26.

Which item on this element square is the chemical symbol?

a)

Copper

b)

29

c)

Cu

d)

63.546

27.

Which item on this element square represents the atomic number?

a)

13

b)

Al

c)

Aluminum

d)

26.981538

28.

How many neutrons are in the atom "K"?

a)

7

b)

19

c)

39

d)

20

29.

How many protons does an atom of Carbon have?

a)

3

b)

12.011

c)

6

d)

none

30.

What are the number of electrons in Carbon?

a)

12

b)

10

c)

6

d)

14

31.

Which is an electron?

a)

A

b)

B

c)

C

32.

Which is a neutron?

a)

A

b)

B

c)

C

33.

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

a)

14

b)

7

c)

15

d)

18

34.

Which is a proton?

a)

A

b)

B

c)

C

35.

What is the atomic mass of Neon?

a)

10

b)

20.18

c)

10.18

36.

How many neutrons are in a Gold atom?

a)

79

b)

196

c)

118

d)

275

37.

How many protons are in this element?

a)

79

b)

196

c)

117

38.

How many electrons does potassium K contain? (click to see image)

a)

19

b)

39

c)

20

d)

40

39.

The atomic number of this pictured element is

a)

28

b)

58.6934

c)

Ni

d)

Nickel

40.

what does the 6 represent?

a)

Atomic mass

b)

atomic number

c)

chemical symbol

d)

element name

Atoms & Periodic Table

Total questions: 40

Worksheet time: 24mins

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