Nuclear & Particle Physics

Category: Nuclear and Particle Physics

History of Atomic Models

1 / 10

What radioactive source did Rutherford use?

2 / 10

What discovery did Chadwick make?

The nucleus

Orbiting electrons

Electron shells

The neutron

3 / 10

Which was not a conclusion from Rutherford's scattering experiment?

The nucleus contains the majority of the mass of the atom.

The nucleus has a positive charge.

Electrons orbit in shells.

The atom is mainly empty space.

4 / 10

What was JJ Thomson's Plum Pudding Model?

Neutral sphere with positive charges dotted throughout.

Neutral sphere with negative charges dotted throughout.

Negative sphere with positive charges dotted throughout.

Positive sphere with negative charges dotted throughout.

5 / 10

What discovery did Bohr make?

The nucleus.

Orbiting electrons.

Electron shells.

The neutron.

6 / 10

If Thomson's model was correct, what did Rutherford expect to see?

All particles deflect back.

All particles pass straight through.

All particles pass through with a small range of deflection.

All particles pass through with a large range of deflection.

7 / 10

What is true for the electron?

Charge is equal and opposite to the neutron.

Charge is equal and opposite to the proton.

Charge is equal to the neutron.

Charge is equal to the proton.

8 / 10

Dalton's atomic theory laid foundations for the future of the nuclear model, however which aspect was incorrect?

Each individual element is formed from a different type of atom.

Atoms from the same element are all alike.

Atoms cannot be broken up into smaller pieces.

Atoms of different elements can be distinguished from their masses.

9 / 10

Which aspect of electron theory did JJ Thompson not discover?

Electrons orbit the nucleus.

Electrons are negative.

The number of electrons equal the number of protons.

Electrons have a large charge to mass ratio.

10 / 10

TRIVIA: The term atom, comes from the Greek atomos (??????). This means __________.

small

void

indivisible

instantaneous

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Atomic Structure Basics

1 / 16

Where in the atom is the majority of the mass located?

Electron Orbits

Protons

Neutrons

Nucleus

2 / 16

What does the atomic number of an element represent?

Number of neutrons

Number of protons

Number of protons and neutrons

Number of protons, neutrons and electrons

3 / 16

How many electrons are in an atom of Helium?

4 / 16

How many protons are in an atom of Chromium?

5 / 16

How many neutrons are in an atom of bromine-79?

114

6 / 16

How many electrons are in an ion of Al²⁺?

7 / 16

How many protons are in an ion of N^3-?

8 / 16

State the charge on O^2- in Coulombs.

-3.2x10^-19 C

-1.6x10^-19 C

1.6x10^-19 C

3.2x10^-19 C

9 / 16

State the charge on Cr³⁺ in Coulombs.

-4.8x10^-19 C

0 C

4.8x10^-19 C

3..8x10^-18 C

10 / 16

State the charge on an atom of Li in Coulombs.

-1.6x10^-19 C

0 C

1.6x10^-19 C

4.8x10^-19 C

11 / 16

What is the atomic number of Manganese?

12 / 16

What is the mass of europium-153 in kilograms? m_e = 9.11x10⁻³¹ kg, m_p = 1.67x10⁻²⁷kg

2.5551x10^-25 kg

2.5557x10^-25 kg

2.5565x10^-25 kg

5.7393x10^-29

13 / 16

What is the mass of Sulfur-32^2- in kilograms? m_e = 9.11x10⁻³¹ kg, m_p = 1.67x10⁻²⁷kg

5.3440x10^-26 kg

5.3453x10^-26 kg

5.3455x10^-26 kg

5.3456x10^-26 kg

14 / 16

What is the the charge to mass ratio of an electron? m_e = 9.11x10⁻³¹ kg, m_p = 1.67x10⁻²⁷kg, e = -1.67x10^-19 C

0 Ckg^-1

4.46x10^-12 Ckg^-1

1 Ckg^-1

1.83x10¹¹ Ckg^-1

15 / 16

What is the the charge to mass ratio of a proton?

0 Ckg^-1

4.46x10^-12 Ckg^-1

1 Ckg^-1

1.83x10¹¹ Ckg^-1

16 / 16

What is the the charge to mass ratio of a neutron?

0 Ckg^-1

4.46x10^-12 Ckg^-1

1 Ckg^-1

1.83x10¹¹ Ckg^-1

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Antiparticles

1 / 12

The quark structure for a proton is uud. Select the quark structure for an antiproton.

uud

ddu

~~ddu~~

~~uud~~

2 / 12

A positron is __________.

a lepton

ddu

an antilepton

an antibaryon

3 / 12

What is 1 GeV/c² equivalent to?

1.78x10^-30 kg

1.78x10^-27 kg

1.60x10^-30 kg

1.60x10^-27 kg

4 / 12

Select the equation to calculate the minimum energy from pair production.

5 / 12

Which sentence is incorrect?

A particles corresponding antiparticle has the opposite charge to it's particle.

A particles corresponding antiparticle has the opposite mass number to it's particle.

A particles corresponding antiparticle has the opposite baryon number to it's particle.

A particles corresponding antiparticle has the opposite lepton number to it's particle.

6 / 12

A particle has a charge of -1 and a lepton number of +1. Would you describe it as a lepton or antilepton?

Lepton

Antilepton

Neither

7 / 12

Pair production is produced from ________.

Two colliding photons.

A single photon.

Two colliding baryons.

A single hadron.

8 / 12

What is the baryon number of an antiproton?

-1

N/A

9 / 12

What is the baryon number of an antineutrino?

-1

N/A

10 / 12

The opposite of pair production is ___________.

Absorption

Decay

Annihilation

Collison

11 / 12

Which antiparticle, from the following, has a charge of +1 and a baryon number of 0.

Proton

Antiproton

Antineutron

Positron

12 / 12

Which antiparticle, from the following, has a charge of 0 and a baryon number of 0.

Antineutron

Positron

Electron antineutrino

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Particle Physics Basics

1 / 11

Which particle is not a baryon?

π⁺

2 / 11

Which particle is the only stable baryon?

π⁺

3 / 11

Which particle is not a hadron?

e^-

π⁺

4 / 11

Which particle is not a lepton?

[1] e^-1

[2] ν_e

[3] μ⁺

[4] τ^-

e^-1

ν_e

μ⁺

τ^-

5 / 11

Which particle has a baryon number of 1?

π⁺

ν_μ

K^-

6 / 11

Which boson is not a gauge boson?

7 / 11

Hadrons are made from _______.

baryons

mesons

quarks

pions

8 / 11

Which particle has a baryon number of 0?

K⁰

9 / 11

Which row is correct for an atom of Carbon-13?

10 / 11

What is the baryon number for π⁻?

-1

11 / 11

Which statement is not true for neutrinos?

The mass of a neutrino is 0 (or almost 0)

A neutrino has a charge of -1

A neutrino has a lepton number of +1

The particles e-- and τ- all have their own neutrino

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The Quark Quiz

1 / 15

How many quarks are in a baryon?

2 / 15

How many quarks are in a meson?

3 / 15

How many generations of quarks are there?

4 / 15

Select the correct quark structure for: a proton.

uud

dud

ddu

5 / 15

Select the correct quark structure for: π⁺

6 / 15

Select the correct quark structure for: an anti-neutron.

uud

udd

~~dud~~

7 / 15

Select the correct quark structure for: K⁰

N/A

8 / 15

Select the correct quark structure for: e^-

dud

N/A

9 / 15

Select the correct quark structure for: π⁰

10 / 15

Select the correct quark structure for: an antiproton.

ddd

~~uud~~

~~ddd~~

~~uud~~

11 / 15

Select the correct quark structure for: Σ⁺

uus

uds

N/A

12 / 15

Select the correct quark structure for: π^-

dud

N/A

13 / 15

Select the correct quark structure for: v_e

[1] u

[2] d

[3] ud

[4] N/A

N/A

14 / 15

Select the correct quark structure for: Ω^-

[1] ssu

[2] udd

[3] sss

[4] ss

ssu

udd

sss

15 / 15

Select the correct quark structure for: K⁰

[1] sus

[2] ds

[3] us

[4] ss

sus

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