wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 2 Nuclear Chemistry

Total questions: 50

Worksheet time: 45mins

Name
Class
Date
1.
Alpha particles.....
a)
a) are positively charged.
b)
b) consist of two protons and four neutrons.
c)
c) can penetrate any thickness of matter
d)
d) All of the above 
2.
Radioactive materials have unstable...
a)
electrons
b)
protons
c)
nuclei
d)
neutrons
3.
Negatively charged particles emitted from a nucleus at a high speed are ____.  
a)
alpha particle
b)
gamma rays
c)
beta particles
d)
X rays
4.
Two atoms of the same element but with different mass numbers are called________
a)
electrons
b)
isotopes
c)
ions
d)
reaction partners
5.

What do these isotopes of carbon all have in common?


126C, 136C, 146C

a)

they all have the same number of neutrons & mass number

b)

they all have the same atomic number and neutrons

c)

they all have the same atomic number and electrons

d)

they all have the same number of protons, atomic number, and mass number

6.
In order of most to least penetrating radiation we have
a)
Alpha , Beta,  Gamma
b)
Beta , Gamma , Alpha
c)
Gamma, Beta, Alpha
d)
Gamma, Alpha, Beta
7.
From the diagram, which particles are indicated with the arrow?
a)
electrons and protons
b)
protons and neutrons
c)
electrons and neutrons
d)
photons and nucleons
8.
Everything is made up of little tiny things called _____
a)
compounds
b)
molecules
c)
atoms
d)
solids
9.
These particles orbit around the nucleus of an atom.  What are they called?
a)
electrons
b)
protons
c)
neutrons
d)
photons
10.
In the center of the atom is something called _____
a)
the kernel
b)
the cell
c)
the nucleus
d)
the focal point
11.
What are the names of the particles in the nucleus?
a)
protons and neutrons
b)
protons and electrons
c)
photons and neutrons
d)
nucleons and protons
12.
Which subatomic particle causes the nucleus to have a positive charge?
a)
Neutron
b)
Electrons
c)
Protons
d)
Valence electrons
13.
What is the charge of the neutron?
a)
Negative
b)
Positive
c)
electrical charge
d)
Neutral (no charge)
14.
What is the charge of the electron
a)
positive
b)
no charge
c)
negative
d)
neutral
15.
Has the symbol
a)
Alpha
b)
Beta 
c)
Gamma
16.
Has the symbol
a)
Alpha
b)
Beta
c)
Gamma
17.
Has the symbol
a)
Alpha
b)
Beta
c)
Gamma
18.

The % of the parent isotope remaining after 1 Half Life.

a)

50%

b)

25%

c)

12.5%

d)

6.25%

19.

The % of the parent isotope remaining after 2 Half Lives.

a)

50%

b)

25%

c)

12.5%

d)

6.25%

20.

The amount of time it take for 1/2 of any sample to decay is know as its what?

a)

half life

b)

chain reaction

c)

half reaction

d)

U-235

21.
Splitting a uranium atom is called - 
a)
fission
b)
fusion
22.
Uranium is found in 
a)
the sun
b)
hydrogen
c)
rocks in the ground
d)
xrays
23.

What type of radiation releases a Helium nucleus?

a)

all of these

b)

gamma ray

c)

beta particle

d)

alpha particle

24.

What type of radiation releases an electron?

a)

all of these

b)

gamma ray

c)

beta particle

d)

alpha particle

25.

This is an example of (a)   decay.

26.

What type of radiation would produce the following?

a)

all of these

b)

gamma ray

c)

beta particle

d)

alpha particle

27.

What will the atomic mass be of the isotope produced when Uranium-235 undergoes BETA decay?

a)

231

b)

235

c)

233

d)

238

28.

What will the atomic mass be of the isotope produced when uranium-235 undergoes ALPHA decay?

a)

231

b)

235

c)

233

d)

238

29.

Iodine-131 has a half life of 8 days. Carbon-14 has a half life of 5,730 years. Uranium-238 has a half life of 4.5 billion years. Which material is best used to determine the age of our solar system?

a)

They are all good to use

b)

Iodine-131

c)

Uranium-238

d)

Carbon-14

30.

Iodine-131 has a half life of 8 days. Carbon-14 has a half life of 5,730 years. Uranium-238 has a half life of 4.5 billion years. Which material is best used to determine the age of a recently dead animal?

a)

They are all good to use

b)

Iodine-131

c)

Uranium-238

d)

Carbon-14

31.

What are the three types of radioactive decay?

a)

X-ray, gamma-ray, radio

b)

Sigma, Alpha, Delta

c)

Cosmic, granite, radon

d)

Alpha, beta, gamma

32.

Which is the most penetrating type of radiation?

a)

all of these

b)

gamma ray

c)

beta particle

d)

alpha particle

33.

Particles are always _____________.

a)

Moving

b)

Stationary

c)

Close together

d)

Repelled from one another.

34.

In an isotope, which subatomic particle does NOT change?

a)

Electron

b)

Neutron

c)

Proton

d)

Positron

35.

What makes one isotope different from another?

a)

number of neutrons

b)

number of protons

c)

number of electrons

d)

number of charges

36.

C-14 and C-12 are examples of

a)

Positrons

b)

Protons

c)

Isotopes

d)

Ions

37.

What is fusion?

a)

The action of splitting an atom into smaller parts

b)

collision of two or more atoms

c)

the explosion of an atom

d)

When two or more nuclei are combined to form one or more atomic nuclei

38.

What is fission?

a)

The joining of multiple atomic nucleii

b)

Used to date organic matter up to a few tens of thousands of years; inaccurate beyond that time scale

c)

The splitting of an atomic nucleus

d)

Essentially an electron, resulting from the breakdown of a neutron in the nucleus

39.

How many neutrons in Thorium-232?

a)

142

b)

90

c)

238

d)

You cannot tell from the information?

40.

Which choice is the correct alpha decay of uranium-238?

a)
b)
c)
d)
41.

Solve the nuclear decay reaction:

a)
b)
c)
d)
42.

Solve the nuclear decay reaction:

a)

32/15 P

b)

32/17 P

c)

32/16 P

d)

32/17 Cl

43.

What in the name for the original, unstable isotope before decay

a)

Parent isotope

b)

Father isotope

c)

Daughter isotope

d)

Son Isotope

44.

finish the equation


18173Ta --> ____ + 18174W

a)

42He

b)

0-1e

c)

y

45.

Solve this equation.

85209At = ___ + 24He

a)

83205Bi

b)

86209Rn

c)

81207Tl

d)

85208At

46.

The conversion of atoms of one element to atoms of another is known as ____________ .

a)

transmutation

b)

transuranium

c)

quark

d)

fission

47.

How do scientists perform transmutations?

a)

by bombarding atomic protons with high energy particles.

b)

by bombarding atomic nuclei with high energy particles.

c)

by splitting atoms and adding protons.

d)

by splitting electrons to release their energy.

48.

Scientists can synthesize a transuranium element by the ____________ ______________ of a lighter element.

a)

artificial tsunami

b)

artificial neptunium

c)

artificial transuranium

d)

artificial transmutation

49.

What are the two types of transmutation?

a)

Artificial and natural

b)

Gamma and beta

c)

Gamma and alpha

d)

Alpha and beta radiation

50.
What particle completes this reaction?
a)
alpha particle
b)
beta particle
c)
gamma particle
d)
neutron

Similar Resources on Wayground

Atomic Structure & Nuclear Chemistry Review

50 questions

Atomic Structure & Nuclear Chemistry Review

quiz

Worksheet

•

8th Grade - University

Chapter 4A

55 questions

Chapter 4A

quiz

Worksheet

•

KG - University

Budowa atomu

50 questions

Budowa atomu

quiz

Worksheet

•

8th Grade - University

III BSC Physical Chemistry questions 2024April

50 questions

III BSC Physical Chemistry questions 2024April

quiz

Worksheet

•

University

Câu hỏi về sinh học

46 questions

Câu hỏi về sinh học

quiz

Worksheet

•

University

Final Caracterizacion Materiales

50 questions

Final Caracterizacion Materiales

quiz

Worksheet

•

University

Biomacromolecules

50 questions

Biomacromolecules

quiz

Worksheet

•

University

[Chem1] Test Review - Unit 3 Atomic Structure

51 questions

[Chem1] Test Review - Unit 3 Atomic Structure

quiz

Worksheet

•

10th Grade - University