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Science-Atoms

Total questions: 54

Worksheet time: 32mins

Name
Class
Date
1.
In what part of an atom can protons be found? 
a)
Inside the electrons
b)
Inside the neutrons 
c)
Inside the atomic nucleus 
d)
 Inside the electron shells
2.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
3.
True or False? Neutrons have a negative charge
a)
True
b)
False
4.
If you want to know which atom an element is, then count the _____
a)
protons
b)
neutrons
c)
electrons
d)
nucleons
5.
The nucleus contains _____
a)
only protons
b)
protons and neutrons
c)
protons and electrons
d)
electrons and neutrons
6.

Atoms cannot be divided by ordinary means.

a)

True

b)

False

7.

Atoms are the _________ of all matter.

a)

Indivisible

b)

prettiest

c)

Building block

d)

Nucleus

8.

During the __________ scientists began to develop a theory as to how atoms work.

a)

1600s

b)

1700s

c)

1800s

d)

1900s

9.

The center of the atom is

a)

The neutron

b)

The nucleus

c)

The proton

d)

The electron

10.

There are ______ elements that occur naturally

a)

80

b)

98

c)

100

d)

150

11.

Electrons have a _________ charge.

a)

Negative

b)

Positive

c)

Neutral

12.

which part of an atom is most like a cloud?

a)

Proton

b)

Neutron

c)

electron

d)

Nucleus

13.

Atoms have the same number of

a)

Protons/electron

b)

Ions/bond

c)

Neutrons/nuetral

14.

What do protons, electrons and neutrons make?

a)

element

b)

compound

c)

atom

15.

What is the smallest piece of matter that still has properties of that matter?

a)

element

b)

atom

c)

proton

16.

Negatively charged particle

a)

proton

b)

neutron

c)

electron

17.

Neutral charge particle

a)

proton

b)

neutron

c)

electron

18.

Positively charge particle

a)

proton

b)

neutron

c)

electron

19.

Atomic weight

a)

number of protons and neutrons inside the nucleus

b)

number or electrons or protons

c)

number of protons, neutrons and electrons

20.

Atomic number is

a)

Number of protons or electrons

b)

Number of protons and neutrons

c)

Your phone number

21.

What does the number 11 stand for in the Sodium block?

a)

atomic number

b)

atomic weight

c)

Stranger Things

22.

What does the K stand for in the Potassium block?

a)

Atomic number

b)

Atomic weight

c)

Symbol for the atom

23.

What does the 40.08 stand for in the Calcium block?

a)

Atomic number

b)

Atomic weight

c)

Atomic symbol

24.

The smallest particle into which an element can be divided and still be the same element is a(n)

a)

proton

b)

neutron

c)

electron

d)

atom

25.

Which subatomic particle has a positive charge?

a)

proton

b)

nuetron

c)

electron

d)

atom

26.

Which subatomic particle has a negative charge?

a)

proton

b)

neutron

c)

electron

d)

atom

27.

Which subatomic particle has a neutral (0) charge?

a)

proton

b)

nuetron

c)

electron

d)

atom

28.

Why is the overall charge of an atom neutral (0)?

a)

They have the same number of protons and neutrons.

b)

They have the same number of protons and electrons.

c)

They have the same number of electrons and neutrons.

29.

Which TWO of the following subatomic particles are inside the nucleus?

a)

protons

b)

electrons

c)

neutrons

d)

There are no subatomic particles in the nucleus of an atom.

30.

The number of which subatomic particle determines the element of an atom (if it's carbon, oxygen, nitrogen, etc.)?

a)

proton

b)

neutron

c)

electron

d)

Subatomic particles do no determine the element of an atom.

31.

Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)

a)

lithium

b)

oxygen

c)

magnesium

d)

carbon

32.

Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)

a)

carbon

b)

lithium

c)

beryllium

d)

nitrogen

33.

Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)

a)

boron

b)

beryllium

c)

neon

d)

lithium

34.

How many protons does fluorine have?

a)

19

b)

1

c)

9

d)

10

35.

How many neutrons does nitrogen have?

a)

7

b)

14

c)

0

d)

6

36.

How many electrons does silicon have?

a)

28

b)

14

c)

0

d)

10

37.

Using the diagram as a reference, how many electrons does lithium have in its OUTER shell?

a)

1

b)

3

c)

8

d)

2

38.

Using the diagram as a reference, how electrons does carbon have in its OUTER shell?

a)

2

b)

6

c)

4

d)

1

39.

Using the diagram as a reference, how electrons does neon have in its OUTER shell?

a)

10

b)

8

c)

2

d)

6

40.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
41.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
42.
An atoms overall charge is 
a)
positive 
b)
depends on its mood 
c)
neutral 
d)
negative 
43.
The smallest particle of any particular type of matter is known by which of the following terms?
a)
Compound
b)
Atom
c)
Chemical
d)
Element
44.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
45.
If an atom has 3 electrons, how many protons does it have?
a)
1
b)
2
c)
4
d)
3
46.
The subatomic particle with a negative charge is the
a)
electron
b)
proton
c)
neutron
d)
nucleus 
47.
If the number of protons equal the number of _____, the atom will have no charge
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
48.
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
49.
What is the mass 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
50.
An atom with an unequal number of protons and electrons is said to have (a) ___.
a)
no charge
b)
balance
c)
charge
d)
unbalance
51.
Ions are: 
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
52.
Two atoms of the same element but with different mass numbers are called________
a)
electrons
b)
isotopes
c)
variables
d)
electron cloud
53.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
54.
How many protons does this isotope of titanium have?
a)
48
b)
22
c)
26
d)
70