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Worksheets

Atoms

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.

All matter is made up of what

a)

compounds

b)

atoms

c)

people

d)

protons

2.

The positive particles of an atom are

a)

protons

b)

positrons

c)

electricity

d)

life

3.

the central region of an atom where its neutrons and protons are is its

a)

storage bin

b)

energy cloud

c)

nucleus

4.

an atom with atomic number 6 would have how many protons

a)

3

b)

all of the above

c)

6

d)

0

5.

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

a)

negatrons

b)

protons

c)

Neutrons

d)

positives

6.

True or False? Neutrons have a negative charge

a)

true

b)

false

7.

Oxygen has an atomic number of 8. What can you conclude from this fact?

a)

An atom of oxygen weighs 8 grams?

b)

An atom of oxygen has 4 protons and 4 electrons?

c)

An atom of oxygen has 8 positrons?

d)

An atom of oxygen has 8 protons?

8.

What do electrons in the same shell have in common?

a)

They have the same amount of energy

b)

They are all positively charged

c)

They are all positively charged

d)

They are all positively charged

9.

What two types of particles exist within an atomic nucleus?

a)

Protons and neutrinos

b)

Neutrons and electrons

c)

Protons and neutrons

d)

Positrons and neutrons

10.

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

a)

3

b)

6

c)

2

d)

1

11.

What does the 1.00794 stand for? (Trick Question)

a)

atomic mass

b)

Hydrogen

c)

atomic number

d)

atomic explosion

12.

In the modern periodic table elements are arranged by:

a)

number of isotopes

b)

valence electrons

c)

atomic number

d)

atomic mass

13.

all matter is made of what

a)

electrons

b)

energy

c)

atoms

d)

compounds

14.

The positive particles of an atom are

a)

electrons

b)

neutrons

c)

positrons

d)

protons

15.

the central region of an atom where its neutrons and protons are is its

a)

nucleus

b)

core

c)

electron cloud

d)

center

16.

an atom with atomic number 6 would have how many proton

a)

6

b)

cannot be determined

c)

12

d)

3

17.

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

a)

negatrons

b)

electrons

c)

neutrons

d)

protons

18.

True or False? Neutrons have a negative charge

a)

True

b)

False

19.

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

a)

2

b)

3

c)

1

d)

6

20.

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

a)

Proton

b)

Electron

c)

Neutron

d)

Electron

21.

What is the tiniest particle in the entire universe?

a)

cells

b)

atoms

c)

liquids

d)

gases

22.

What is the name of a single type of atom?

a)

cell

b)

proton

c)

element

d)

atom

23.

What is the term for combining 2 or more atoms together?

a)

molecules

b)

elements

c)

periodic table

d)

compounds

24.

The most of the atoms ____ is in the _______

a)

life,mass

b)

Life, house

c)

Mass,house

d)

Mass, Nucleus

25.

What subatomic particles would you find in the nucleus of an atom?

a)

Neutrons

b)

Protons

c)

Electrons

d)

Nucleus