What is radioactive decay?

The spontaneous breakdown of an atomic nucleus resulting in a release of energy and matter

The spontaneous breakdown of an atomic nucleus resulting in only energy release

The spontaneous breakdown of an atomic nucleus resulting in only matter release

The decay of the use of radios and the increased use of televisions.

When does radioactive decay occur?

When the nucleus of an isotope is unstable

When the nucleus of an isotope is stable

When the electrons of an isotope are spinning

When the electrons of an isotope are shared with another isotope

A beam of alpha radiation was directed between two electrified plates, the beam

will lean towards the negative plate

will lean towards the positive plate

it will not change its direction of movement

it will start circling the circle

Define binding energy

the energy required to break a nucleus into separate, non-interacting nucleons

the energy required to make a nucleus in a fusion reaction

the energy required to separate protons from neutrons

the energy required to separate the nucleons and electrons

For energy to be released in a nuclear reaction, which must be true?

The binding energy of the products > the binding energy of the reactants

The binding energy of the products < the binding energy of the reactants

The binding energy of the products = the binding energy of the reactants

Define the mass defect of a nucleus

The total mass of the individual, separate nucleons minus the mass of the nucleus

The total mass of the individual, separate nucleons divided by the mass of nucleus

Binding energy can be thought of as

the energy needed to be put in to a nucleus to pull apart the nucleons

the energy needed to bind the nucleons together

the energy needed to bind the electrons to the nucleus

the energy released in fusion or fission

What does this graph show?

Binding energy per nucleon vs proton number

Binding energy per nucleon vs stability

Define random in terms of nuclear decay (choose 2)

Impossible to predict when an individual nuclei will decay

Each nucleus in the sample has the same chance of decaying per unit time

It is impossible to approximate how a sample will decay

We cannot make measurements of decay

Define spontaneous in terms of nuclear decay (choose 2)

Decay of a nucleus is not influenced by other nuclei

The decay of a nucleus is not dependent on external factors e.g. pressure and temperature

The decay of an individual nuclei is unpredictable

Decay will happen quickly once the isotope is formed

Define decay constant

The probability of an individual nucleus decaying per unit time.

The number of decays per second

The number of nuclei divided by activity

The average time taken for half of the radioactive nuclei in a sample to decay

The time taken for the total nuclei to half

The time taken for the sample to become half of its original mass

The time taken for half of the atoms to decay

Nuclear A Level

Authored by O Gardner

Physics

12th Grade

NGSS covered

Used 10+ times

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The process of combining two hydrogen nuclei into a helium atom with the release of tremendous quantities of energy is called ___.

nuclear fusion

combustion

radioactivity

nuclear fission

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The process of joining two atoms' nuclei and releasing an enormous amount of energy is called ___.

nuclear fusion

nuclear fission

nuclear isotope

nuclear meltdown

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which process do hydrogen atoms use to make the Sun's energy?

nuclear fusion

nuclear fission

nuclear isotope

nuclear meltdown

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which process is used by nuclear power plants to produce energy?

Nuclear fission

Nuclear fusion

Nuclear isotope

Nuclear meltdown

Tags

NGSS.HS-PS1-8

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the process of splitting atoms to release usable stored energy?

nuclear fusion

nuclear fission

combustion

radiation

Tags

NGSS.HS-PS1-8

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which statement describes nuclear fission?

The nucleus of a large atom is split by a neutron into smaller nuclei and energy is released.

A neutron combines with the nucleus of a large atom and releases energy.

The nuclei from two elements are forced together under high temperature and pressure to release energy.

The nucleus of a reactive element combines with another nucleus to release energy.

Tags

NGSS.HS-PS1-8

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

TRUE or FALSE: gamma changes the atomic number.

True

False

Tags

NGSS.HS-PS1-8

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Nuclear A Level

The process of combining two hydrogen nuclei into a helium atom with the release of tremendous quantities of energy is called ___.

The process of joining two atoms' nuclei and releasing an enormous amount of energy is called ___.

Which process do hydrogen atoms use to make the Sun's energy?

Which process is used by nuclear power plants to produce energy?

What is the process of splitting atoms to release usable stored energy?

Which statement describes nuclear fission?

TRUE or FALSE: gamma changes the atomic number.

What is emitted during Alpha Radiation?

What is radioactive decay?

Which type of nuclear radiation is being emitted here?

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