Calculating Half Life

Calculating Half Life

10th Grade

25 Qs

quiz-placeholder

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Half-Life

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25 Qs

Calculating Half Life

Calculating Half Life

Assessment

Quiz

Science

10th Grade

Hard

NGSS
HS-PS1-8

Standards-aligned

Created by

Lisa Thompson

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The half-life of Iodine-131 is 8.10 days. How many days will it take a 50g sample to decay to 6.25g?

8.10 days

16.2 days

24.3 days

32.4 days

Tags

NGSS.HS-PS1-8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Carbon-14 has a half-life of 5,370 years. How many grams of a 144 g sample of Carbon-14 will remain after 17,190 years.

144 g

72 g

36 g

18 g

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the half-life of tritium is 12.26 years, what percentage would be left after 12.26 years?

100%

50%

25%

It would all become daughter material

Tags

NGSS.HS-PS1-8

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A 208 g sample of Sodium-24 decays to 13 g of Na-24 in 60 hours. How many hours is the half-life of Na-24?

4 hours

14 hours

15 hours

20 hours

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The time required for half of the parent isotope to decay into daughter isotopes.

Absolute Age

Relative Age

Fossil

Half-life

Tags

NGSS.HS-PS1-8

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The half - life of K - 42 is 12.4 hrs. How much of a 750 g sample is left after 62.0 hrs?

187.5 g

93.8 g

46.9 g

23.4 g

Tags

NGSS.HS-PS1-8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The half - life of radon - 222 is 3.8 days. How much of a 100 g sample is left after 15.2 days.

50.0 g

25.0 g

12.5 g

6.25 g

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