Halflife Chart

Halflife Chart

4th Grade

10 Qs

quiz-placeholder

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Halflife Chart

Halflife Chart

Assessment

Quiz

Chemistry

4th Grade

Practice Problem

Hard

NGSS
HS-PS1-8, HS-PS1-7

Standards-aligned

Created by

Charles Martinez

Used 1+ times

FREE Resource

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

Media Image

What is the half-life of iodine-131?

32 days
8 days
16 days
24 days

Tags

NGSS.HS-PS1-8

2.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

Media Image

What is the Half life of this isotope?

5 seconds

10 seconds

15 seconds

20 seconds

Tags

NGSS.HS-PS1-8

3.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

Media Image

What is the Half Life of this isotope?

3 days

5 days

8 days

10 days

Tags

NGSS.HS-PS1-8

4.

FILL IN THE BLANK QUESTION

3 mins • 5 pts

Media Image

What is the half-life of this sample?

Answer explanation

Our starting activity is 400 cpm, so we’re looking for the point where it hits 200 to find its half-life. By reading our graph, we can see that this is after 15 days, so the half-life is 15 days. 

Tags

NGSS.HS-PS1-8

5.

FILL IN THE BLANK QUESTION

3 mins • 5 pts

Media Image

What is the half-life of this sample?

Tags

NGSS.HS-PS1-8

6.

FILL IN THE BLANK QUESTION

3 mins • 5 pts

Media Image

What is the half life of this sample?

Tags

NGSS.HS-PS1-8

7.

FILL IN THE BLANK QUESTION

3 mins • 5 pts

Media Image

What is the half-life of this sample?

Tags

NGSS.HS-PS1-8

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