Half-Life

Half-Life

Assessment

Flashcard

Chemistry, Physics

8th - 9th Grade

Practice Problem

Easy

Created by

Helene Maire-Afeli

Used 9+ times

FREE Resource

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10 questions

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1.

FLASHCARD QUESTION

Front

If 10 mg of iodine 131 is given to a patient, how much is left after 24 days? The half-life of iodine-131 is 8 days.

Back

1.25mg

2.

FLASHCARD QUESTION

Front

The half-life of strontium-90 is 25 years. How much strontium-90 will remain after 100 years if the initial amount is 4.0 g?

Back

0.25g

3.

FLASHCARD QUESTION

Front

You have 100 grams of radioactive C-14. The half life of C-14 is 5730 years. How many grams are left after 1 half life?

Back

50 grams

4.

FLASHCARD QUESTION

Front

Half-life

Back

The amount of time it takes for half the nuclei in a sample of the isotope to decay

5.

FLASHCARD QUESTION

Front

When nuclei decay, __________ is released.

Back

radiation

6.

FLASHCARD QUESTION

Front

What is the Half life of this isotope?

Media Image

Back

10 seconds

7.

FLASHCARD QUESTION

Front

What is the Half Life of this isotope?

Media Image

Back

3 days

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