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Atoms and Periodic Table Review

Total questions: 20

Worksheet time: 3hrs 20mins

Name
Class
Date
1.

The smallest piece of an element:

a)

quark

b)

electron

c)

shell

d)

atom

2.

The cloud-like space that electrons travel around:

a)

nucleus

b)

shell

c)

neutrons

d)

Oort cloud

3.

Protons and neutrons are found in the center of the atom called the:

a)

nucleus

b)

neutron

c)

shell

d)

cell

4.

Classification system for elements is called:

a)

Elements

b)

Periods

c)

The Periodic Table of Elements

d)

Families

5.

The subatomic particles are called:

a)

protons, nucleus and electrons

b)

protons, electrons and neutrons

c)

protons, positives and negatives

d)

cloud, shell and quarks

6.

Substances that have only one kind of atom are called:

a)

elements

b)

nitrogen

c)

electrons

d)

nucleus

7.

Electrons have a _____ charge.

a)

neutral

b)

negative

c)

positive

d)

both positive and negative

8.

What is the study of matter?

a)

Chemistry

b)

Biology

c)

Earth Science

d)

Physics

9.

_____ is what scientists think atoms are like.

a)

Chemistry

b)

The box

c)

The atomic structure

d)

The atomic theory

10.

The abbreviation for an element:

a)

element name

b)

atomic number

c)

chemical symbol

d)

atomic symbol

11.

Who invented the simplified version of the atom?

a)

Dmitri Mendeleev

b)

Niels Bohr

c)

Sir Isaac Newton

d)

Albert Einstein

12.

The scientist who invented the classification system for the elements:

a)

Dimitri Mendeleev

b)

Niels Bohr

c)

Sir Isaac Newton

d)

Albert Einstein

13.

What is the sum of an atom's protons and neutrons called?

a)

atom

b)

atomic theory

c)

atomic mass

d)

atomic number

14.

The columns on the periodic table that are color coded and describe the number of electrons in the outer shell of the atomic structure of the element:

a)

families

b)

groups

c)

periods

15.

The rows or periods on the periodic table describe:

a)

the same number of outer electrons

b)

the same number of shells

c)

the same number of protons

d)

the same mass

16.

The _____ is based on the number of protons in the nucleus of the atom.

a)

atomic structure

b)

periodic table of the elements

c)

atomic number

d)

atomic mass

17.

What subatomic particle is represented by this symbol (+):

a)

neutron

b)

proton

c)

electron

18.

What subatomic particle is represented by this charge (-):

a)

neutron

b)

proton

c)

electron

19.

Why do the electrons surround the nucleus?

a)

the negative electrons are attracted to the neutral neutrons

b)

the negative electrons are repelled by the neutral neutrons

c)

the negative electrons are attracted to the positive protons

d)

the negative electrons are repelled by the positive protons

20.

All matter is made of _____.

a)

light

b)

energy

c)

cells

d)

atoms