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1/16 Quiz: Net Force & Balancing Charges (Electrostatics )

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.
Which electric field has the least amount of particles?
a)
A
b)
B
c)
C
2.
If a substance has an excess number of electrons on its surface, what type of charge does it have?
a)
positive charge
b)
neutral charge
c)
negative charge
d)
nuclear charge
3.
Examine the object below. If an object has a net charge of +3 this means it has_____.
a)
lost 3 electrons
b)
gained 3 electrons
c)
lost 3 protons
d)
gained 3 protons
4.
Examine the image below. What is the net charge of the atom?
a)
+5
b)
-5
c)
6
d)
0
5.
What is the charge of the electron?
a)
postitive
b)
negative
c)
neutral
6.
The build-up of excess electric charge on an object is called
a)
Electric field
b)
Electric discharge
c)
Circuit
d)
Resistance
7.

An atom has 9 protons, 10 neutrons, and 10 electrons. What is the net charge of this atom?

a)

-1

b)

+1

c)

-19

d)

0

8.

Which of the following describes a neutral atom?

a)

An atom with 10 electrons and 8 protons

b)

An atom with 6 protons and 6 neutrons

c)


An atom with 6 protons and 6 electrons

d)

An atom with more protons than electrons

9.

An atom has a net charge of +2. If the atom has 12 protons, how many electrons does it have?

a)

12

b)

2

c)

10

d)

14

10.

A particle has 17 protons, 18 neutrons, and 18 electrons. What is the charge of this particle?

a)

-1

b)

+1

c)

0

11.

What happens to the net charge of an atom if it loses two electrons?

a)

It becomes -2

b)

The mass increases

c)

It stays neutral

d)

It becomes +2

12.

In a model of a Lithium atom, there are 3 protons, 4 neutrons, and 3 electrons. What is the net charge?

a)

+7

b)

0

c)

+3

d)

+1

13.

Which particle has NO effect on the net charge of an atom?

a)

Neutron

b)

Proton

c)

Electron

d)

Nucleus

14.

An atom of Oxygen gains 2 electrons. If it started with 8 protons and 8 electrons, what is its new net charge?

a)

-10

b)

-2

c)

0

d)

+2

15.

If an atom has a net charge of -3 and contains 10 electrons, how many protons does it have?

a)

7

b)

3

c)

10

d)

13