4.07: Radioactive Dating, 4.08: Fusion and Fission

Presentation

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Chemistry

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9th - 12th Grade

•

Hard

•

NGSS

HS-PS1-8, HS-PS1-7, MS-PS1-1

Standards-aligned

Nancy Osborne

Used 2+ times

FREE Resource

21 Slides • 12 Questions

Get ready to answer review questions!!!

Multiple Choice

What do these isotopes of carbon all have in common?

neutrons & mass number

atomic number and neutrons

atomic number and electrons

protons, atomic number, and mass number

Multiple Choice

How many neutrons in C-14?

Multiple Choice

What is the mass number of this atom?

Multiple Choice

How is the alpha particle written in a nuclear equation?

^4₂He

^2₄He

Multiple Choice

A helium nucleus with two protons and two neutrons is called a(n) ____.

alpha particle

electroscope

beta particle

gamma ray

Multiple Choice

Which type of nuclear radiation is being emitted here?

Alpha

beta

gamma

none

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

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?

3.0g

0.25mg

0.3g

0.25g

Multiple Choice

If the half-life of uranium-232 is 70 years, how many half-lives will it take for 10 g of it to be reduced to 1.25 g?

1 half-life

2 half-lives

3 half-lives

4 half-lives

Multiple Choice

In which type of reaction do two lighter nuclei combine to form one heavier nucleus?

combustion

oxidation

nuclear fission

nuclear fusion

Multiple Choice

In which process does a heavy nucleus split into two lighter nuclei?

freezing

condensation

fission

fusion

Multiple Choice

What occurs in both fusion and fission reactions?

Small amounts of energy are converted into large amounts of matter.

Small amounts of matter are converted into large amounts of energy.

Heavy nuclei are split into lighter nuclei.

Light nuclei are combined into heavier nuclei.

Breakout Rooms

You may work together or independently and may switch rooms.
Go to your GoFormative account to access the Nuclear Decay of Element Z activity (this assignment is worth 23-points!)
Do as much as possible today - you will have some time tomorrow to work on it!

Goals for Completion

Complete Lessons 4.07 and 4.08 in the OHS
Complete questions 1-11 on the Nuclear Decay of Element Z assignment in GoFormative.
Check for missing work!!!!!! If you need help, please let me know now instead of later!!!

Get ready to answer review questions!!!

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