Nuclear Chemistry

Nuclear Chemistry Review

By NAUDIA LAWRENCE

Nuclear Chemistry deals with Radioactivity and how itoccurs

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Nuclear Chemistry

Although most isotopes are stable, some are unstable and spontaneously decay (break down) emitting radiation.

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ISOTOPES

Decay occurs in the nucleus of an atom wher there are protons and neutrons.

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Unstable nuclei sometimes break down and give of subatomic particles or energy​

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Plutonium nucleus break down into an alpha particle and uranium​

How it works

What are the three types of Radiation and how are they produced​

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​This is the largest particle beacuse it is made up of 2 neutrons and 2 protons. That is a Helium nucleus

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Alpha Particle

This happens when a neutron changes into a proton and an electron or beta particle is given off

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Beta Decay

There is no change to the nucleus of the atom. An enormous amount of energy is released ​

Gamma Rays

The picture shows how well each particle can go through an object

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Penetrating power

Use this table check the name symbol and size of each emission

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Emission means to give off.​

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Table O

Symbols Used in Nuclear Chemistry

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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 particle is also called an electron

• alpha particle

• beta particle

• gamma rays

• positron

Multiple Choice

What is the mass number of an alpha particle

• 1

• 2

• 3

• 4

Multiple Choice

What is the mass of a beta particle?

• 1

• 4

• 0

• 2

Multiple Choice

What is the symbol for an alpha particle?

• ⁴₂He

• ⁰_-1e

• ⁰₊₁ e

• ¹₀n

Nuclear Equations

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Video of how to write nuclear reactions

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Multiple Choice

What particle completes this reaction?

• alpha particle

• beta particle

• gamma particle

• neutron

Multiple Choice

Complete the nuclear equation and determine the type of decay that is occurring in this reaction. 

• Alpha

• Beta

• Gamma

• None

Multiple Choice

What is the missing isotope that will balance the following nuclear equation?

⁹₄Be  +  ¹₁H →  _____  +  ⁴₂He

• ¹⁰₅B

• ¹⁰₅Ne

• ⁶₃Li

• ⁶₃C

Multiple Choice

This is the correct equation for U-238 decay.

• True

• False

Multiple Choice

This is the correct equation for the decay of Ra.

• True

• False

Multiple Choice

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

• ¹⁴₅B

• ¹⁴₆C

• ¹⁴₇N

• ⁴₂He

Multiple Choice

Which type of nuclear radiation is being emitted here?

• Alpha

• Brta

• Gamma

• None

Multiple Choice

What completes this reaction

• ²³⁶₉₂U

• ²³⁶₉₃U

• ²³⁴₉₂Np

• ²³⁴₉₃Np