Free Printable 1/18

1.

What is the atomic number?

a)

the number of protons

b)

the number of protons and neutrons

c)

the number of neutrons

d)

the number of protons and electrons

2.

What is the atomic number of this nucleus?

a)

1

b)

3

c)

4

d)

7

3.

What is the atomic number of this atom?

a)

4

b)

5

c)

9

d)

none of the above

4.

What is the atomic number of this atom?

a)

9

b)

10

c)

19

d)

27

5.

What is the atomic number of this atom?

a)

2

b)

4

c)

6

d)

none of the above

6.

What is the atomic number of this atom?

a)

1

b)

2

c)

3

d)

4

7.

What is the atomic number of this atom?

a)

7

b)

14

c)

21

d)

none of the above

8.

What is the atomic number of this atom?

a)

8

b)

16

c)

24

d)

none of the above

9.

Which particle has a positive charge?

a)

electron

b)

orbital

c)

proton

d)

neutron

10.

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

a)

electron

b)

proton

c)

neutron

d)

valence shell

11.

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.

12.

Which particle has a positive charge?

a)

electron

b)

orbital

c)

proton

d)

neutron

13.

The atomic number of Titanium is

a)

22

b)

23

c)

20

d)

24

14.

The atomic number of Hydrogen is

a)

1

b)

2

c)

3

d)

4

15.

The atomic number of Lithium is

a)

3

b)

4

c)

5

d)

6

16.

The atomic number of Titanium is

a)

22

b)

23

c)

20

d)

24

17.

The atomic number of Nitrogen

a)

7

b)

6

c)

8

d)

9

18.

The atomic number of Cobalt is

a)

27

b)

26

c)

25

d)

24

19.

What is the atomic number?

a)

the number of protons

b)

the number of protons and neutrons

c)

the number of neutrons

d)

the number of protons and electrons

20.

What is the atomic number of this nucleus?

a)

1

b)

3

c)

4

d)

7

21.

What is the atomic number of Be?

a)

2

b)

4

c)

6

d)

8

22.

What is the atomic number of Cu?

a)

25

b)

26

c)

27

d)

29

23.

What is the atomic number of vanadium?

a)

19

b)

21

c)

23

d)

25

24.

What is the atomic number of fluorine?

a)

4

b)

5

c)

7

d)

9

25.

Atomic number 25 is

a)

Ni

b)

Mg

c)

Mn

d)

Zn

26.

Atomic number 26 is

a)

Fe

b)

Cr

c)

Si

d)

Cl

27.

Atomic number 19 is

a)

H

b)

He

c)

K

d)

Sc

28.

What is the atomic number of boron?

a)

3

b)

4

c)

5

d)

6

29.

What is the atomic number of hydrogen?

a)

4

b)

3

c)

2

d)

1

30.

The Atomic number is known as the _______

a)

Number of electrons in an atom

b)

Number of Protons in an atom

c)

Number of neutrons in an atom

d)

Number of Protons and electrons in an atom

31.

What is the Atomic Mass of Carbon

a)

12

b)

6

c)

C

d)

16

32.

What is the number of protons in Magnesium atom ?

a)

12

b)

24

c)

23

d)

8

33.

An atomic number of 8 means the atom has ________ protons.

a)

7

b)

8

c)

16

d)

88

34.

True or false: If the number of protons changes in an atom, it becomes a different element.

a)

True

b)

False

35.

What is the mass defined as?

a)

the number of protons

b)

the number of protons and neutrons

c)

the number of neutrons

d)

the number of protons and electrons

36.

What is the mass of this atom?

a)

1

b)

3

c)

4

d)

7

37.

What is the mass and atomic number ?

a)

Mass = 7, atomic number = 14

b)

Mass = 14, atomic number = 7

38.

Which subatomic particle has a negative charge in the atom?

a)

proton

b)

neutron

c)

electron

d)

quark

39.

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

a)

negatrons

b)

electrons

c)

neutrons

d)

protons

40.

How many electrons does an atom of Krypton have?

a)

36

b)

83.80

c)

47.80

d)

119.80

41.

What is the mass number of "F"

a)

9

b)

18

c)

17

d)

19

42.

How many protons are in Cadmium?

a)

112.411

b)

170

c)

64

d)

48

43.

How many protons are in this element?

a)

79

b)

196

c)

117

d)

Cannot be determined

44.

What is a subatomic particle without an electric charge, located in the nucleus of an atom?

a)

neutron

b)

proton

c)

electron

d)

valence electron

45.

What is a subatomic particle with a positive charge that is in the nucleus of an atom?

a)

neutron

b)

proton

c)

electron

d)

valence electron

46.

What is a subatomic particle with a negative charge? It is found in the electron cloud surrounding the nucleus.

a)

neutron

b)

proton

c)

electron

d)

electron cloud

47.

What is the center of an atom containing protons and neutrons?

a)

nucleus

b)

neutron

c)

proton

d)

electron cloud

48.

Which subatomic particles are found in the nucleus of an atom?

a)

Protons and Electrons

b)

Protons and Neutrons

c)

Neutrons and Electrons

d)

Protons, Neutrons and Electrons

49.

What mass does a neutron have?

a)

1 amu

b)

0 amu

c)

-1 amu

d)

+2 amu

50.

The Atomic mass of Fe

a)

55

b)

56

c)

54

d)

53

51.

Which of the following is a good conductor of heat, malleable, ductile, and shiny?

a)

Metal

b)

Nonmetal

c)

Metalloid

52.

Which of the following is an insulator?

a)

Nonmetal

b)

Metal

c)

Metalloid

53.

Which of the following are semi-conductors?

a)

Metal

b)

Nonmetal

c)

Metalloid

54.

Which elements are found to the right of the staircase on the Periodic Table?

a)

Metals

b)

Nonmetals

c)

Metalloids

55.

Which elements are found along the staircase on the Periodic Table?

a)

Metal

b)

Nonmetal

c)

Metalloid

56.

Which elements are found to the left of the staircase on the Periodic Table?

a)

Metals

b)

Nonmetals

c)

Metalloids

57.

Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon?

a)

Metal

b)

Nonmetal

c)

Metalloid

58.

Which element is a metalloid?

a)

Titanium

b)

Selenium

c)

Potassium

d)

Polonium

59.

a)

Metal

b)

Nonmetal

c)

Metalloid

60.

a)

Metal

b)

Nonmetal

c)

Metalloid

1/18 - Atoms

Total questions: 60

Worksheet time: 1hrs 23mins

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