Nuclear Chemistry: Chain Reactions and Half-Life

Presentation

•

Science

•

10th Grade - University

•

Medium

•

NGSS

HS-PS1-8

Standards-aligned

Bonelli Dobbs

Used 21+ times

FREE Resource

17 Slides • 9 Questions

Multiple Choice

Which of the following BEST describes what occurs in a fusion reaction?

Two low mass nuclei are joined to form one nucleus and gives off energy.

A single nucleus divides into two or more nuclei and gives off energy.

Electrons are shared between the nuclei.

A chemical reaction occurs between the nuclei.

Multiple Choice

The high energy yields created by nuclear fission are due to...

binding nuclei.

hydrogen bonding.

secondary recovery.

chain reactions.

Multiple Choice

Which reaction produces harmful radioactive waste?

Fission

Photosynthesis

chain reaction

Fusion

Multiple Choice

What is a chain reaction?

When electrons are emitted causing electricity

When a nuclear fission reaction occurs, the protons emitted can strike other nuclei in the sample, and cause them to split

When a nuclear fission reaction occurs, the neutrons emitted can strike other nuclei in the sample, and cause them to split

When a nuclear fission reaction occurs, the electrons emitted can strike other nuclei in the sample, and cause them to split

Multiple Choice

Solve this equation for beta decay.
₆¹⁴C = ___ + _-1⁰e

₄¹⁰Be

₇¹⁴N

₂¹⁰He

₆¹³C

Multiple Choice

After 22,800 years, approximately what percentage of the original carbon-14 remains?

15%

12.5%

6.25%

3.125%

Multiple Choice

You have 100 grams of radioactive C-14. The half life of C-14 is 5730 years.

How many grams are left after 2 half lives?

100 grams

25 grams

50 grams

14 grams

Multiple Choice

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.

1.25mg

1.25g

10g

10mg

Multiple Choice

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

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