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Nuclear Energy - The Atom

Total questions: 20

Worksheet time: 5hrs 0mins

Name
Class
Date
1.

The smallest part of a chemical that can exist is called a(n)...?

a)

Element.

b)

Atom.

c)

Molecule.

d)

Isotope.

2.

The word atom comes from the Greek word "atomos" which means...?

a)

Cuttable.

b)

Very large.

c)

Transparent.

d)

Uncuttable.

3.

If an atom was blown up to the size of a football stadium, then it's nucleus would be the size of a...?

a)

Marble.

b)

Earth.

c)

Soccer ball.

d)

Apple.

4.

Thomson's theory of the atom used the analogy of a ________ to represent how there are positive and negative particles scattered about.

a)

Solar system

b)

Billiard ball.

c)

Chocolate chip cookie.

d)

Cherry.

5.

The current analogy that we use to describe atoms is with a...?

a)

Chocolate chip cookie.

b)

Cotton ball.

c)

Cherry.

d)

Solar system.

6.

Click on all of the subatomic particles of the atom:

a)

Electron.

b)

Neutron.

c)

Proton.

7.

True of False. The charge of a neutron is negative.

a)

True.

b)

False.

8.

Electrons are so so small, they are virtually?

a)

Flightless.

b)

Odorless.

c)

Mass-less.

d)

None of the above.

9.

True or False. Protons are like the finger-prints of the atom. Every atom has unique protons.

a)

True.

b)

False.

10.

The nucleus of the atom is extremely what?

a)

Light.

b)

Large.

c)

Loud.

d)

Dense.

11.

There are different "flavours" of elements called ________. They have a different number of _____________.

a)

Isotopes/Protons

b)

Isotopes/Neutrons

c)

Molecules/Neutrons

d)

Molecules/Protons

12.

Water's state when the temperature is below 0 degrees Celsius is...?

a)

Solid.

b)

Invisable.

c)

Liquid.

d)

Gas.

13.

A place where we organize all of the atom of elements is called...?

a)

The Element Table.

b)

The Dinner Table.

c)

The Periodic Table.

d)

None of the above.

14.

Grab your periodic table! The chemical symbol for Sodium is...?

a)

So.

b)

Na.

c)

S.

d)

N.

15.

Grab your periodic table! What is the atomic number of Zinc (Zn)?

a)

30

b)

31

c)

29

d)

28

16.

Grab your periodic table! What is the atomic weight of potassium (K)?

a)

39

b)

22

c)

21

d)

40

17.

Two or more atoms create a...?

a)

Isotope.

b)

Molecule.

c)

Element.

d)

Proton.

18.

Water has a mixture of hydrogen and ________ atoms.

a)

Copper (Cu).

b)

Potassium (K).

c)

Sodium (Na).

d)

Oxygen (O).

19.

True or False. We can see atoms with the naked eye.

a)

True.

b)

False.

20.

Which of the subatomic particles can we find in the nucleus of the atom?

a)

Electrons.

b)

Neutrons.

c)

Protons.

d)

Elements.