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Half Life Decay

Authored by Lisa Thompson

Science

10th Grade

NGSS covered

Used 5+ times

Half Life Decay
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Fermium-253 has a half-life of 0.334 seconds. A radioactive sample is considered to be completely decayed after 10 half-lives. How much time will elapse for this sample to be considered gone?

0.334 seconds

3.34 seconds

1.77 seconds

13.4 seconds

Tags

NGSS.HS-PS1-8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Barium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?

0.25g

2.5g

25g

80g

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Geologist use the time it takes for a radioactive isotope to decay to half its original mass called a___________.

radioactive decay

isotope

half-life

carbon dating

Tags

NGSS.HS-PS1-8

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Earth elements decay and change into another element in a process called_____________.

radiation

isotope

radioactive decay

half-life

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

50%

25%

12.5%

6.25%

Tags

NGSS.HS-PS1-8

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the Half life of this isotope?

5 seconds

10 seconds

15 seconds

20 seconds

Tags

NGSS.HS-PS1-8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the Half Life of this isotope?

3 days

5 days

8 days

10 days

Tags

NGSS.HS-PS1-8

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