Free Printable Atoms

1.

All matter is made of _________.

a)

energy

b)

atoms

c)

electrons

d)

compounds

2.

The amount of matter/atoms in an object is...

a)

volume

b)

mass

c)

density

d)

weight

3.

Which (3) of these are subatomic particles that form an atom? (choose 3)

a)

Protons

b)

Klingons

c)

Electrons

d)

Microns

e)

Neutrons

4.

A proton has a ___________ charge.

a)

positive

b)

negative

c)

neutral

d)

massive.

5.

An electron has a _________ charge

a)

positive

b)

neutral

c)

negative

d)

massive

6.

The particles with no charge in an atom are the _______.

a)

electrons

b)

neutrons

c)

protons

d)

protons and neutrons

7.

What does the nucleus of an atom contain?

a)

Electrons and neutrons

b)

Protons and neutrons

c)

Neutrinos and positrons

d)

DNA and RN

8.

__________ are negatively charged particles that are in the orbitals around the nucleus.

a)

protons

b)

nucleus

c)

neutrons

d)

electrons

9.

An element is identified by

a)

its number of protons

b)

the atomic mass

c)

the type of charge

d)

its number of isotopes

10.

What is this table

a)

Elemental Table of Periods

b)

Atomic Table of Atoms

c)

Periodic Table of Elements

11.

The total number of protons and neutrons in the nucleus of an atom

a)

Atomic Number

b)

Mass Number

c)

Atomic Theory

d)

Electron Cloud

12.

The center of an atom where its neutrons and protons are is called the _____________.

a)

nucleus

b)

electron cloud

c)

center

13.

Atoms are made up of ________________

a)

energy

b)

electrons

c)

subatomic particles

d)

gasses

14.

The mass number of an atom is the mass of ______ + _____

a)

protons + neutrons

b)

protons + electrons

c)

neutrons + nucleus

d)

protons + nucleus

15.

The mass number is always larger than the atomic number (exept for Hydrogen).

a)

TRUE

b)

FALSE

16.

The separate atoms that make up a wooden table cannot be seen because the atoms are

a)

too small

b)

moving too fast

c)

packed lightly together

d)

hidden beneath the surface

17.

Which is an electron?

a)

A

b)

B

c)

C

18.

The number of protons in an atom is called the .....

a)

Mass

b)

Atomic Number

c)

Nucleus

d)

Orbital

19.

Which subatomic particles make up the mass of an atom?

a)

protons only

b)

protons and neutrons

c)

protons, neutrons and electrons

d)

protons and electrons

20.

What is the atomic mass of an atom with 32 protons and 31 neutrons?

a)

31

b)

32

c)

62

d)

63

21.

How many neutrons are there for an atom with a mass of 20 and 11 protons?

a)

9

b)

11

c)

20

d)

31

22.

How many protons are there for an atom with 16 neutrons and atomic mass of 33?

a)

16

b)

17

c)

18

d)

33

23.

Element number 22 (atomic number 22) has how many protons?

a)

22

b)

25

c)

47

d)

69

24.

Which element has an atomic mass of 40 and 21 neutrons?

a)

potassium

b)

calcium

c)

scandium

d)

zirconium

25.

All of the following are found in the nucleus EXCEPT

a)

Proton

b)

Neutron

c)

Electron

d)

There are no exceptions. All are found in the nucleus

26.

An ion is an atom that has an electrical charge.

a)

true

b)

false

27.

Electrons have a positive charge.

a)

true

b)

false

28.

If the atom has more protons, it is left with a negative charge.

a)

true

b)

false

29.

A cation is an ion with a positive charge.

a)

true

b)

false

30.

An anion is an ion with a negative charge.

a)

true

b)

false

31.

What is the atomic number of this atom?

a)

2

b)

4

c)

6

d)

none of the above

32.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

33.

How many electrons does a Copper atom have?

a)

63

b)

29

c)

92

d)

34

34.

What do these isotopes of carbon all have in common?

a)

neutrons & mass number

b)

atomic number and neutrons

c)

atomic number and protons

d)

protons, atomic number, and mass number

35.

In a correctly written nuclear notation what would be located in the "A" position?

a)

number of neutrons

b)

atomic number

c)

number of electrons

d)

mass number

36.

In the name Carbon-14 the "14" represents the ______.

a)

mass number

b)

atomic number

c)

number of protons

d)

number of electrons

37.

Two atoms of the same element that have different mass numbers are called ________.

a)

molecules

b)

isotopes

c)

variables

d)

ions

38.

What is the mass number of this atom?

a)

13

b)

14

c)

27

d)

40

39.

An ion forms when an atom gains or loses _?_.

a)

protons

b)

neutrons

c)

electrons

d)

energy levels

40.

How many electrons does this isotope of beryllium have?

a)

9

b)

5

c)

4

d)

2

41.

Which subatomic particle has a positive (+) charge?

a)

Neutron

b)

Proton

c)

Electron

42.

Which subatomic particle has a neutral or no charge?

a)

Proton

b)

Electron

c)

Neutron

43.

How many electron shells/levels does this atom have?

a)

1

b)

2

c)

3

d)

4

44.

In a neutral atom,

a)

protons = electrons

b)

protons = neutrons

c)

neutrons = electrons

d)

protons = neutrons = electrons

45.

what does the 6 represent?

a)

Atomic mass

b)

atomic number

c)

chemical symbol

d)

element name

46.

What number indicates an electron?

a)

1

b)

2

c)

3

d)

4

47.

Which of the following is the nuclear symbol for lithium-6

a)

b)

c)

d)

48.

The correct hyphen notation for the nuclear symbol given is

a)

chromium - 24

b)

chromium - 50

c)

chromium - 74

d)

chromium - 26

49.

What is the name of the pictured isotope?

a)

Chlorine-Schmorine

b)

Chlorine-17

c)

Chlorine-35

d)

Chlorine-18

50.

How many protons are in the following atom?

a)

82

b)

125

c)

207

d)

189

51.

He

a)

hydrogen

b)

helium

c)

oxygen

d)

nitrogen

52.

lithium

a)

L

b)

Li

c)

Hg

d)

Mg

53.

carbon

a)

Ca

b)

Cr

c)

C

d)

Cn

54.

P

a)

potassium

b)

phosporous

c)

iron

d)

magnesium

55.

potassium

a)

P

b)

Pm

c)

K

d)

Po

56.

chlorine

a)

C

b)

Ch

c)

Cl

d)

Au

57.

Cu

a)

carbon

b)

chlorine

c)

copper

d)

gold

58.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

59.

Name this element.

a)

Argon

b)

Chlorine

c)

Aluminum

d)

Boron

60.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

61.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

62.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

63.

What is a valence electron?

a)

Electrons in the first energy shell

b)

Electrons in the second energy shell

c)

Electrons in the outer shell

d)

Total number of electrons

64.

What is the atomic number of this element?

a)

17

b)

18

c)

35

d)

35.453

65.

All matter is made of _________.

a)

energy

b)

atoms

c)

electrons

d)

compounds

66.

The positive particles of an atom are

a)

electrons

b)

positrons

c)

neutrons

d)

protons

67.

An atom with atomic number 6 would have how many protons

a)

6

b)

12

c)

3

d)

cannot be determined

68.

True or False: Neutrons have a negative charge

a)

True

b)

False

69.

What is the atomic number for an element with 3 protons?

a)

2

b)

1

c)

3

d)

6

70.

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

a)

Proton

b)

Neutron

c)

Electron

d)

Quark

71.

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

72.

If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?

a)

10

b)

20

c)

30

73.

Protons and electrons balance the charge of an atom.

a)

True

b)

False

74.

Most of the mass in an atom is concentrated in the...

a)

electrons

b)

nucleus

c)

protons

d)

empty space

75.

Anything that has mass and takes up space is called

a)

heterogeneous

b)

homogeneous

c)

matter

d)

density

76.

An atoms overall charge is

a)

positive

b)

depends on its mood

c)

neutral

d)

negative

Atoms

Total questions: 76

Worksheet time: 5hrs 24mins

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