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Parts of an Atom

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

Which of these are parts of the atom?

a)

Protons, ProAthletes, Neutrons

b)

Neutrons, Protons, Electrons

c)

Mitochondria, Electrons, Protons

d)

Oxygen

2.

Which of these has a negative charge?

a)

Proton

b)

Neutron

c)

Electron

d)

Oatmeal

3.

Which charge does a proton have?

a)

Neutral

b)

Negative

c)

No charge- battery is dead

d)

Positive

4.

Neutrons have a ____________ charge.

a)

Neutral, or no charge

b)

Positive

c)

Negative

d)

Neutron? I don't know what that is!

5.

True or false: Atoms make up everything around you.

a)

True

b)

False

6.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
7.
Which two particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Protons and Neutrons
c)
Molecules and Compounds
d)
Neutrons and Electrons
8.

Letter A is showing

a)

Neutrons

b)

Electrons

c)

Protons

d)

Nucleus

9.

What subatomic particle is found in the electron cloud?

a)

Neutrons

b)

Electrons

c)

Protons

d)

none

10.

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

11.

Which subatomic particle has No charge?

a)

Protons

b)

Ions

c)

Electrons

d)

Neutrons

12.

The negatively charged particles in an atom

a)

Proton

b)

Electron

c)

Neutron

d)

Electron Cloud

13.

The region inside an atom where electrons are likely to be found

a)

Proton

b)

Atom

c)

Electron Cloud

d)

Neutron

14.

Label the atomic parts., their charge, and location.

(a)  

15.

To find the number of neutrons, you must

a)

Subtract atomic number from mass number. (Example: 14-7=7 neutrons)

b)

Subtract mass number from atomic number. (Example: 7-14= -7 neutrons)

16.

What is matter?

a)

Anything that has mass and takes up space

b)

How dense an object is

c)

The amount of space an object takes up

d)

The transfer of heat through the rising and falling movement in a gas or a liquid in which the warmer parts rise and colder parts sink

17.

What is an atom?

a)

A large molecule

b)

Largest piece of matter

c)

Smallest piece of matter

d)

A molecule made of ions

18.

Which subatomic particle is the smallest?

a)

Protons

b)

Neutrons

c)

Electrons

19.

What holds atoms together? In other words, which two subatomic particles are attracted to each other?

a)

Protons and neutrons

b)

Neutrons and electrons

c)

Protons and electrons

20.

What is our current model of the atom?

a)

Electron Cloud Model

b)

Bohr's Orbit Model

c)

Quantum Physics Model

d)

Lake Ridge Middle School Model