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Radioactive Decay

Authored by Charles Martinez

Chemistry

9th - 12th Grade

NGSS covered

Radioactive Decay
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32 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A beta particle consists of fast moving electron & has a(n) __________ charge.

Positive
Negatuve
Negative

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In the equation,  146C --> 147N + 0-1B, the _______ decay of radioactive carbon-14 results in the creation of a new nitrogen-14 atom.

Radioactive
Beta
Alpha

Tags

NGSS.HS-PS1-8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a nuclear reaction?

A type of equation that shows the atomic mass & mass number of the particles combined.
A type of equation that shows the atomic number  & mass number of the particles involved.

Tags

NGSS.HS-PS1-8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Gamma radiation is usually emitted along with α-particles & β-particles.

False
True

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the alpha particle written in a nuclear equation?

42He
24He

Tags

NGSS.HS-PS1-8

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the nuclear equation below, calculate the mass number of the alpha particle. 
23892U-->23490Th + 42He + 200

238
0
234
4

Tags

NGSS.HS-PS1-8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Some substances spontaneously emitted radiation in a process called radioactivity.

False
True

Tags

NGSS.HS-PS1-8

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