A beta particle is emitted when a neutron becomes a proton and releases an electron. How are the mass and atomic numbers changed?

mass number stays the same and the atomic number increases by one

mass number decreases by one and atomic number increases by one

mass number decreases by four and atomic number decreases by two

What is an advantage of a nuclear-fission reactor?

A large amount of energy can be produced from a small amount of uranium.

The nuclear waste generated has a very long half-life.

The products of fission reactions are often radioactive isotopes.

The power plants are only expensive if they require radiation shielding.

have more electrons than protons.

have emitted all of their neutrons.

Which statement best describes what happens in a fission reaction?

Heavy nuclei split into lighter nuclei.

Light nuclei form into heavier nuclei.

Energy is released, and less stable elements are formed.

Energy is absorbed, and more stable elements are formed.

What is the biggest disadvantage of using nuclear power to produce electricity?

Nuclear waste must be safely stored for many years.

Nuclear fission releases more air pollution than burning coal.

Nuclear fission produces less energy than burning coal or oil.

Nuclear waste must be incinerated.

What is a benefit to utilizing fusion reactions instead of fission reactions?

Fusion reactions do not produce harmful radiation

Fusion reactions do not require any kind of radiation shielding to prevent exposure.

Fusion reactions can proceed in any temperature range.

Fusion reactions are easier to control and regulate.

The chemical equation below represents a nuclear reaction. U-235 + n-1 → Ba-138 + Kr-95 + 3 n-1 + energy Which best describes this type of reaction?

fission because the reaction formed lighter nuclei

fusion because the reaction formed heavier nuclei

fission because the reaction formed heavier nuclei

fusion because the reaction formed lighter nuclei

What is one benefit to using fission reactions instead of fusion reactions?

Fission reactions do not require extremely high temperatures.

Fission reactions do not produce dangerous transuranium nuclides.

Fission reactions utilize fuel that is more readily available.

Fission reactions generate more power per unit fuel.

27. Radioactive isotopes

have more electrons than protons.

have emitted all of their neutrons.

Match the following pros and cons of nuclear energy:

Cheaper to operate than coal or gas

Can produce large amounts of energy from a small amount of fuel

Which MOST LIKELY is a concern of residents living near a newly constructed nuclear power plant?

the transport of nuclear materials and waste to and from the nuclear plant

the impact on the number of jobs in the community

the impact on air quality due to carbon dioxide emissions

the reliability of nuclear energy as an uninterrupted power source

Uranium-235 has a half life of 700 years. If there are 1000 g of uranium-235 in the original sample, what happens after 2100 million years have passed? Select all that are true.

125 g of the original sample remains.

250 g of the original sample remains.

During alpha decay, what does the nucleus of an atom emit?

B) An alpha particle and energy

D) An electron and an antineutrino

Using the Periodic Table of Elements, select the option that correctly represents the number of protons and neutrons for each isotope.

The number of protons is equal to the atomic number, and the number of neutrons is the mass number minus the atomic number.

The number of protons is equal to the mass number, and the number of neutrons is the atomic number minus the mass number.

The number of protons is equal to the number of neutrons, and the mass number is the sum of protons and electrons.

The number of protons is equal to the number of electrons, and the number of neutrons is the atomic number plus the mass number.

Unit 3 Nuclear Energy Study Guide

Unit 3 Nuclear Energy STUDY GUIDE

Authored by Sheena Swanner

Science

11th Grade

NGSS covered

Used 6+ times

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31 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

nuclear fission

nuclear fusion

combustion

reduction

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement best describes this type of reaction and the overall energy change that occurs?

fission and energy is absorbed.

fusion and energy is released.

fusion and energy is absorbed.

fission and energy is released.

Tags

NGSS.HS-PS1-8

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which measurement is commonly used to describe the rate at which a radioactive element decays?

half-life

amplitude

speed

period

Tags

NGSS.HS-PS1-8

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What occurs in a nuclear power plant when Uranium-235 splits into two smaller isotopes?

nuclear fusion

nuclear fission

a chemical reaction

a neutralization reaction

Tags

NGSS.HS-PS1-8

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When an isotope goes through an alpha decay an alpha particle is emitted and the new isotope will

have the same mass number and the atomic number will increase by one

have a decrease in mass number by four and the atomic number will decrease by two

have no change in mass number or atomic number, it releases energy

have an increase in mass number by four and the atomic number will increase by one

Tags

NGSS.HS-PS1-8

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which conditions are required to form Helium during the fusion reaction in the Sun?

low temperature and high pressure

high temperature and low pressure

low temperature and low pressure

high temperature and high pressure

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The high energy yields created by nuclear fission are due to

binding nuclei.

chain reactions.

hydrogen bonding.

secondary recovery.

Tags

NGSS.HS-PS1-8

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Unit 3 Nuclear Energy STUDY GUIDE

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

Which statement best describes this type of reaction and the overall energy change that occurs?

Which measurement is commonly used to describe the rate at which a radioactive element decays?

What occurs in a nuclear power plant when Uranium-235 splits into two smaller isotopes?

When an isotope goes through an alpha decay an alpha particle is emitted and the new isotope will

Which conditions are required to form Helium during the fusion reaction in the Sun?

The high energy yields created by nuclear fission are due to

A beta particle is emitted when a neutron becomes a proton and releases an electron. How are the mass and atomic numbers changed?

How many grams of cobalt-60 will remain after three half-lives?

What nuclear process changes one element into another different element?

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