In nuclear fission, some mass is converted to energy. This causes -

final mass to be less than initial mass

final mas to be more than initial mass

final mass to be equal to initial mass

What does the mass equivalence equation tell us? E=mc 2

A large amount of energy can be converted from a small amount of mass

Gravity bends both time and space

Gravitational waves are emitted from black holes

Atomic nuclei emit gamma rays, beta particles, and alpha particles

Which of these processes describes a nuclear fusion reaction?

Two nuclei bind together to produce energy and heavier nuclei.

A nucleus absorbs energy to produce lighter nuclei.

A nucleus splits to produce energy and lighter nuclei

Two nuclei bind together to produce energy and a lighter nuclei.

The Carbon-12 atom is used by physicists to establish

the low point on a mass defect graph.

What makes something radioactive?

elements with an atomic number above 81

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 electrons of an isotope are spinning

When the nucleus of an isotope is stable

When the electrons of an isotope are shared with another isotope

In order for an atom to be neutral what has to be true?

The atom has the same number of protons and electrons

The atom has more protons than neutrons

The atom has more neutrons than protons

The atom has the same number of protons and neutrons

This model this model was the first to show a nucleus, consisting of protons and neutron. Electrons surround the nucleus but are not shown in distinct energy levels.

The "Rutherford Model" of the atom

The "Plum Pudding Model" of the atom

The "Quantum Mechanical Modell" of the atom

This was the first model of the atom ever proposed. It was simple and described atoms as tiny spheres that could not be broken down into smaller pieces.

The "Plum Pudding Model" of the atom

The "Rutherford Model" of the atom

The "Quantum Mechanical Model" of the atom

What is the primary difference between Bohr's model and the quantum mechanical model of the atom?

Bohr's model describes electrons in fixed orbits, while the quantum mechanical model describes electron probabilities.

Bohr's model includes electron clouds, while the quantum mechanical model includes fixed orbits.

Bohr's model is based on electron probabilities, while the quantum mechanical model is based on fixed orbits.

Bohr's model describes electron probabilities, while the quantum mechanical model describes fixed orbits.

Which experiment led to the discovery of the nucleus in an atom?

Rutherford's Gold Foil Experiment

Thomson's Cathode Ray Experiment

Bohr's Hydrogen Spectrum Experiment

What is the significance of the Heisenberg Uncertainty Principle in atomic physics?

It states that the position and momentum of an electron cannot both be precisely determined at the same time.

It states that electrons move in fixed orbits around the nucleus.

It states that the energy levels of electrons are quantized.

It states that the nucleus of an atom is positively charged.

Atomic Physics

Authored by Lisa Thompson

Science

10th Grade

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25 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the definition of an isotope?

An atom with different electron number to proton number

An atom with different proton number from neutron number

An atom with different number of protons from the periodic table

An atom with a different number of neutrons from the periodic table

Tags

NGSS.HS-PS1-8

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which type of radiation has the greatest ionising effect?

α-particles

β-particles

γ-rays

all have the same ionising effect

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A radioactive source emits radiation that can pass through a sheet of paper but not through thick aluminium. What does this show about the radiation?

It is alpha-particles.

It is beta-particles.

It is gamma-rays.

It is a mixture of alpha-particles and gamma-rays

Tags

NGSS.HS-PS1-8

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When Uranium decays it emits an alpha particle, forming an isotope of Thorium. Which of the above decay equations is correct?

Tags

NGSS.HS-PS1-8

DRAG AND DROP QUESTION

1 min • 1 pt

undergoes alpha decay to form (a)

Uranium-238

Thorium-234

Helium-4

Tags

NGSS.HS-PS1-8

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The splitting of a nucleus into smaller nuclei is

fusion

fission

half-life

gamma radiation

Tags

NGSS.HS-PS1-8

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the correct expression for finding mass defect for the fusion reaction shown?

(Mass of helium + neutron)- (mass of hydrogens)

(Mass of hydrogens)-(Mass of helium+neutron)

Mass of all the nuclei

None of the above

Tags

NGSS.HS-PS1-8

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Atomic Physics

What is the definition of an isotope?

Which type of radiation has the greatest ionising effect?

A radioactive source emits radiation that can pass through a sheet of paper but not through thick aluminium. What does this show about the radiation?

When Uranium decays it emits an alpha particle, forming an isotope of Thorium. Which of the above decay equations is correct?

undergoes alpha decay to form (a)

The splitting of a nucleus into smaller nuclei is

What is the correct expression for finding mass defect for the fusion reaction shown?

How many nucleons are in a nucleus of ?

The half-life of a radioisotope is 2400 years. The activity of a sample is 720 counts /s.
How long will it take for the activity to fall to 90 counts /s?

In nuclear fission, some mass is converted to energy. This causes -

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Atomic Physics

What is the definition of an isotope?

Which type of radiation has the greatest ionising effect?

A radioactive source emits radiation that can pass through a sheet of paper but not through thick aluminium. What does this show about the radiation?

When Uranium decays it emits an alpha particle, forming an isotope of Thorium. Which of the above decay equations is correct?

undergoes alpha decay to form (a)

The splitting of a nucleus into smaller nuclei is

What is the correct expression for finding mass defect for the fusion reaction shown?

How many nucleons are in a nucleus of ?

The half-life of a radioisotope is 2400 years. The activity of a sample is 720 counts /s.How long will it take for the activity to fall to 90 counts /s?

In nuclear fission, some mass is converted to energy. This causes -

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

The half-life of a radioisotope is 2400 years. The activity of a sample is 720 counts /s.
How long will it take for the activity to fall to 90 counts /s?