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Physical Science Unit 9 Review

Total questions: 40

Worksheet time: 22mins

Name
Class
Date
1.

These subatomic particles have a positive charge.

a)

electrons

b)

neutrons

c)

protons

2.

How many protons are in an atom of aluminum?

a)

13

b)

26.982

c)

27

d)

14

3.

How can you determine the number of neutrons an atom has?

a)

Neutrons = Atomic Number

b)

Neutrons = Mass Number

c)

Neutrons = Protons + Atomic Number

d)

Neutrons = Mass Number - Protons

4.

Where are electrons located in an atom?

a)

Nucleus

b)

Outside the atom

c)

Electron cloud

5.

These subatomic particles have a negative charge.

a)

electrons

b)

neutrons

c)

protons

6.

How many neutrons are in an Iodine - 127 isotope?

a)

127

b)

74

c)

53

d)

126.904

7.

This scientist discovered the nucleus of the atom.

a)

Thomson

b)

Bohr

c)

Rutherford

d)

Einstein

8.

Where are neutrons located in an atom?

a)

nucleus

b)

outside the atom

c)

electron cloud

9.

These subatomic particles have no charge.

a)

electrons

b)

neutrons

c)

protons

10.

How many electrons are in a neon atom?

a)

10

b)

20

c)

21

d)

20.180

11.

Which scientist proposed that all matter was made up of atoms and that all atoms of a given element are exactly alike?

a)

Thomson

b)

Dalton

c)

Aristotle

d)

Rutherford

12.

Where are protons located in an atom?

a)

nucleus

b)

outside the atom

c)

electron cloud

13.

A(n) (a)   is the smallest unit of matter that retains all of the properties of the element.

14.

How many neutrons are in this chlorine isotope?

a)

53

b)

36

c)

19

d)

17

15.

This scientist proposed the "Plum Pudding" model of the atom where the electrons are scattered about the atom like raisins in a pudding or chocolate chips in a cookie.

a)

Dalton

b)

Thomson

c)

Rutherford

d)

Bohr

16.

Atoms of the same element with different numbers of neutrons are called (a)   .

17.

All atoms of the same element will have the same

a)

mass number.

b)

number of protons.

c)

number of electrons.

d)

number of neutrons.

18.

The first energy level can hold ____ electrons and the second energy level can hold ____ electrons.

(Put a comma between your answers)

(a)  

19.

What is the name for the atomic theory represented in the picture? The theory was developed by several different scientists.

a)

Plum Pudding Model

b)

Bohr Model

c)

Modern Cloud Theory

d)

Lego Theory

20.

The ___________ never changes for an atom of a given element.

a)

Mass Number

b)

Atomic Mass

c)

Atomic Number

d)

Number of electrons

21.

Hydrogen - 1, Hydrogen - 2, and Hydrogen - 3 are three _______ of hydrogen.

a)

elements

b)

isotopes

c)

ions

d)

neutrons

22.

Neutral atoms have the same number of

a)

protons and neutrons.

b)

neutrons and electrons.

c)

protons and electrons.

23.

Bohr proposed that electrons travel in _________ around the nucleus of the atoms like planets around the Sun.

a)

clouds

b)

orbits

c)

boxes

d)

zig zags

24.

How many neutrons are in a hydrogen - 3 isotope?

a)

3

b)

2

c)

1

d)

0

25.

These subatomic particles are made up of quarks.

a)

protons and electrons

b)

protons and neutrons

c)

electrons and neutrons

26.

This force holds protons and neutrons together in the nucleus of the atom.

a)

Gravity

b)

Electromagnetic Force

c)

Suction Force

d)

Strong Nuclear Force

27.

Using your periodic table, which isotope of sodium (Na) is most abundant?

a)

Sodium - 22

b)

Sodium - 23

c)

Sodium - 24

28.

If you were to draw a Lewis Structure for Selenium (Se), how many "dots" would you place around the Se?

a)

4

b)

6

c)

16

d)

34

29.

How many energy levels does Barium (Ba) have?

a)

2

b)

6

c)

56

d)

137

30.

Which element would be the worst conductor of heat and electricity?

a)

Calcium (Ca)

b)

Aluminum (Al)

c)

Antimony (Sb)

d)

Iodine (I)

31.

If you were making a computer chip and needed a semiconductor, which element would you choose?

a)

Silicon (Si)

b)

Krypton (Kr)

c)

Zinc (Zn)

d)

Rubidium (Rb)

32.

Which group does Lead (Pb) belong to?

a)

Transition Metals

b)

Alkali Metals

c)

Poor Metals

d)

Halogens

33.

Which group does Mercury (Hg) belong to?

a)

Poor Metals

b)

Alkali Earth Metals

c)

Metalloids

d)

Transition Metals

34.

Which group does Bromine (Br) belong to?

a)

Metalloids

b)

Nonmetals

c)

Halogens

d)

Noble Gases

35.

Which group does Xenon (Xe) belong to?

a)

Poor Metals

b)

Noble Gases

c)

Halogens

d)

Nonmetals

36.

Which element is the only Poor metal in Group 15?

a)

Phosphorus (P)

b)

Antimony (Sb)

c)

Bismuth (Bi)

d)

Moscovium (mc)

37.

Which group does Rubidium (Rb) belong to?

a)

Alkali Earth Metals

b)

Alkali Metals

c)

Transition Metals

d)

Superheavy Metals

38.

Which element is most likely man-made and not found in nature?

a)

Radon (Rn)

b)

Cerium (Ce)

c)

Bohrium (Bh)

d)

Uranium (U)

39.

Which group does Lanthanum (La) belong to?

a)

Rare Earth Metals

b)

Actinide Metals

c)

Superheavy Metals

d)

Transition Metals

40.

Which group does Plutonium (Pu) belong to?

a)

Superheavy Metals

b)

Rare Earth Metals

c)

Halogens

d)

Actinide Metals

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