
Nuclear Reactions and Radioactivity Concepts
Interactive Video
•
Chemistry, Physics, Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is radioactivity?
The process of combining atoms
The spontaneous emission of subatomic particles and energy
The creation of new elements
The absorption of energy by atoms
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is nuclear transmutation?
The splitting of an atom into smaller parts
The combination of a nucleus with additional subatomic particles
The emission of energy from an atom
The natural decay of radioactive elements
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which subatomic particle is symbolized by a lowercase 'p'?
Neutron
Electron
Proton
Positron
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of a positron?
Neutral
Positive
Negative
Variable
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the mass number of an atom represent?
The number of electrons
The total number of protons and neutrons
The number of neutrons
The number of protons
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the mass number important?
It helps in identifying the number of neutrons
It indicates the number of electrons
It determines the chemical properties of an element
It shows the atomic radius
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are nuclear reactions balanced?
By the number of atoms
By the number of electrons
By the number of molecules
By subatomic particles
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