Question 1

Question

A)Polonium has a large, unstable nucleus. Through which process is it most likely to become stable?(1 point)
Responses

beta-minus decay
beta-minus decay

alpha decay
alpha decay

gamma decay
gamma decay

beta-plus decay
beta-plus decay
Question 2
A)Which type of energy does alpha decay generate?(1 point)
Responses

sound
sound

potential
potential

kinetic
kinetic

electromagnetic
electromagnetic
Question 3
A)
Use the equation to answer the question.

146C→147N+0−1e

Which type of radioactive decay does the equation model?

(1 point)
Responses

beta-minus decay
beta-minus decay

gamma decay
gamma decay

alpha decay
alpha decay

beta-plus decay
beta-plus decay
Question 4
A)How does the nucleus change in beta-plus decay?(1 point)
Responses

The mass number decreases by one, and the atomic number remains the same.
The mass number decreases by one, and the atomic number remains the same.

The mass number remains the same, and the atomic number decreases by one.
The mass number remains the same, and the atomic number decreases by one.

The mass number remains the same, and the atomic number increases by one.
The mass number remains the same, and the atomic number increases by one.

The mass number increases by one, and the atomic number remains the same.
The mass number increases by one, and the atomic number remains the same.
Question 5
A)An unstable nucleus undergoes gamma decay. How does the nucleus change?(1 point)
Responses

It becomes less stable by emitting energy and particles.
It becomes less stable by emitting energy and particles.

It becomes more stable by emitting energy and particles.
It becomes more stable by emitting energy and particles.

It becomes less stable by repositioning its particles.

Answer 1

Here are the answers to your questions based on radioactivity concepts:

Question 1
A) Polonium has a large, unstable nucleus. Through which process is it most likely to become stable?
Response: alpha decay

Question 2
A) Which type of energy does alpha decay generate?
Response: kinetic

Question 3
A) Use the equation to answer the question.
146C→147N+0−1e
Which type of radioactive decay does the equation model?
Response: beta-minus decay

Question 4
A) How does the nucleus change in beta-plus decay?
Response: The mass number remains the same, and the atomic number decreases by one.

Question 5
A) An unstable nucleus undergoes gamma decay. How does the nucleus change?
Response: It becomes more stable by emitting energy and particles.

Feel free to ask if you need further clarification on any of these topics!