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Atoms & Molecules Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which particles are part of the structure of an atom?

a)

Protons, neutrons, and electrons

b)

Protons, ions, and molecules

c)

Neutrons, ions, and compounds

d)

Electrons, molecules, and atoms

2.

What is one way to differentiate between protons, neutrons, and electrons?

a)

By their color

b)

By their mass, electric charges, and locations

c)

By their size and shape

d)

By their temperature

3.

Who is associated with the term "Atoms" around the year 465 B.C.?

a)

Dalton

b)

Thomson

c)

Democritus

d)

Schrödinger

4.

What is matter?

a)

Anything that has mass and occupies space

b)

Only things that are visible

c)

Only liquids and gases

d)

Only things that can be touched

5.

What is an atom?

a)

A large molecule

b)

The smallest unit of matter

c)

A type of molecule

d)

A property of matter

6.

What is a molecule?

a)

A single atom

b)

Two or more atoms bonded together

c)

A property of matter

d)

A type of atom

7.

What is the charge of a proton?

a)

Positive

b)

Negative

c)

Neutral

d)

No charge

8.

Where are the electrons located in an atom?

a)

Inside the nucleus

b)

Orbiting the nucleus

c)

In the center of the atom

d)

Attached to the protons

9.

What determines the atomic number of an element?

a)

Number of electrons

b)

Number of neutrons

c)

Number of protons

d)

Total mass of the atom

10.

What are atoms and molecules responsible for?

a)

Only for non-living things

b)

For all living beings

c)

Only for gases

d)

Only for liquids

11.

What is a molecule?

a)

A single atom

b)

Two or more atoms joined together and acting as a unit

c)

A type of cell

d)

A type of protein

12.

What is an element?

a)

A mixture of different substances

b)

A pure substance made up of only one type of atom

c)

A compound of two or more atoms

d)

A solution of several elements

13.

What does the periodic table organize?

a)

All known compounds by their properties

b)

All known elements by their properties

c)

All known mixtures by their properties

d)

All known solutions by their properties

14.

What does the atomic number represent in an element's box?

a)

Number of electrons

b)

Number of neutrons

c)

Number of protons

d)

Number of atoms

15.

What is the chemical symbol for beryllium?

a)

Be

b)

B

c)

Br

d)

Ba

16.

Which element has the atomic number 6?

a)

Carbon

b)

Oxygen

c)

Nitrogen

d)

Helium

17.

What is the standard atomic weight of helium?

a)

4.0026

b)

1.008

c)

12.011

d)

14.007

18.

What is the element with the chemical symbol 'Na'?

a)

Sodium

b)

Nitrogen

c)

Neon

d)

Nickel

19.

What is the name of the element with atomic number 7?

a)

Oxygen

b)

Nitrogen

c)

Carbon

d)

Hydrogen

20.

What is the symbol for iron?

a)

Ir

b)

In

c)

Fe

d)

Io