Radioactive Decay

Presentation

•

Science

•

10th Grade

•

Medium

•

NGSS

HS-PS1-8

Standards-aligned

Laura Garfinkel

Used 45+ times

FREE Resource

5 Slides • 17 Questions

Radioactive Decay

Nuclear Reactions and the Law of Conservation

Reactants --> products
what is a reaction?
What is the LoC? How does it apply here?
Conserve = same total mass

Multiple Choice

In the symbol ²⁰⁶₈₂Pb what does 206 stand for?

Mass number

Atomic number

Atomic mass

Number of protons

Multiple Choice

The process of the production of lighter nuclei from heavier nuclei is called

mass energy

magneticism

fusion

fission

Multiple Choice

When a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element....

remains the same

decreases by one.

increases by one.

increases by two.

Multiple Choice

The process of the production of lighter nuclei from heavier nuclei is called

mass energy

magneticism

fusion

fission

Multiple Choice

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

alpha particle

electroscope

beta particle

gamma ray

Fusion & Fission

Heavy elements...
Light elements...
Where and why does this happen?
Nuclear Reactors

Multiple Choice

The splitting of a nucleus into smaller nuclei is

fusion

fission

decay

gamma radiation

Multiple Choice

Two or more nuclei combine to form one larger nucleus in the process of nuclear _____.

Fusion

Fission

Tracing

Decay

Radioactive Decay Examples

Beta Negative (⁰_-1e)
Beta Positive (less common ⁰₁p)
reactants --> products (total mass same)

In the equation,¹⁴₆C --> ¹⁴₇N + ⁰_-1B,

Multiple Choice

In the equation,^14₆C --> ^14₇N + ^0_-1B, the _______ decay of radioactive carbon-14 results in the creation of a new nitrogen-14 atom.

Radioactive

Beta

Alpha

Multiple Choice

Solve this equation for beta decay.
₂₇⁶⁰Co = ___ + _-1⁰e

₂₅⁵⁶Mn

₂₈⁶⁰Ni

₂₃⁵⁸V

₂₇⁵⁹Co

Multiple Choice

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

₄¹⁰Be

₇¹⁴N

₂¹⁰He

₆¹³C

Multiple Choice

What is the symbol for an alpha particle?

⁴₂He

⁰_-1e

⁰₊₁e

¹₀n

Multiple Choice

Solve this equation for alpha decay.
₈₅²⁰⁹At = ___ + ₂⁴He

₈₃²⁰⁵Bi

₈₆²⁰⁹Rn

₈₁²⁰⁷Tl

₈₅²⁰⁸At

Multiple Choice

Solve this equation for alpha decay.
₈₈²²⁶Ra = ___ + ₂⁴He

₈₆²²²Rn

₈₉²²⁶Ac

₈₄²²⁴Po

₈₈²²⁵Ra

Multiple Choice

Gamma rays have a _____ charge

-1

Multiple Choice

Balance the following equation:
¹⁴₆C --> ⁰_-1e + ________

¹⁴₅B

¹⁴₆C

¹⁴₇N

⁴₂He

Multiple Choice

If Gadolinium-150 goes through alpha decay, the resulting element has a new atomic mass of _____.

150

148

146

Multiple Choice

If we start off with element ⁵⁰₂₄X after an gamma decay we get an element(product) that looks like...

⁵¹₂₄X

⁵⁰₂₃X

⁵⁰₂₄X

⁵⁰₂₅X

Radioactive Decay

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