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WorksheetsP.3.2.1 Particles
Total questions: 55
Worksheet time: 28mins
The graph of neutron number against proton number shows three nuclei P, Q and R.
Which row identifies an isotope of P and the nucleon number of this isotope of P?
Isotope of P: Q
Nucleon number of isotope of P: y + 1
Isotope of P: Q
Nucleon number of isotope of P: x + y + 1
Isotope of P: R
Nucleon number of isotope of P: x + y + 1
Isotope of P: R
Nucleon number of isotope of P: x + 1
The decay of a neutral kaon K0 is given by the equation
K0 → X + Y + v̅e
What are X and Y?
e+ and e–
μ+ and e–
π+ and e–
π– and e+
Fluoride ions are produced by the addition of a single electron to an atom of fluorine 199F
What is the magnitude of specific charge of the fluoride ion?
3.2 × 10–26 C kg–1
8.4 × 10–21 C kg–1
5.0 × 106 C kg–1
4.5 × 107 C kg–1
When a nucleus of the radioactive isotope 6528Ni decays, a β– particle and an electron antineutrino are emitted.
How many protons and neutrons are there in the resulting daughter nucleus?
Number of protons: 28
Number of neutrons: 65
Number of protons: 29
Number of neutrons: 65
Number of protons: 28
Number of neutrons: 36
Number of protons: 30
Number of neutrons: 35
An atom of 167N gains 3 electrons.
What is the specific charge of the ion?
1.80 × 107 C kg–1
–1.80 × 107 C kg–1
4.19 × 107 C kg–1
–4.19 × 107 C kg–1
Electrons moving in a beam have the same de Broglie wavelength as protons in a separate beam moving at a speed of 2.8 × 104 m s–1.
What is the speed of the electrons?
1.5 × 101 m s–1
2.8 × 104 m s–1
1.2 × 106 m s–1
5.1 × 107 m s–1
The composition of a carbon dioxide (CO2) molecule is one atom of 126C and two atoms of 168O.
What is the number of molecules of CO2 in 2.2 kg of the gas?
1.0 × 1022
3.0 × 1022
3.0 × 1025
4.7 × 1025
The radius of a nucleus of the iron nuclide 5627Fe is 4.35 × 10–15 m.
What is the radius of a nucleus of the uranium nuclide 23892U?
2.69 × 10–15 m
2.89 × 10–15 m
6.55 × 10–15 m
7.05 × 10–15 m
Which of the following nuclei has the smallest specific charge?
What is the best estimate for the order of magnitude for the diameter of an atom?
10−14 m
10−12 m
10−11 m
10−8 m
Which nucleus has a smaller value of specific charge than the nucleus 188O?
When bombarded with an α particle the nuclide 2512Mg changes into another nuclide with the emission of a neutron and γ radiation.
What are the correct values for the nucleon number and proton number of the nuclide which is formed?
Nucleon number: 29
Proton number: 14
Nucleon number: 29
Proton number: 12
Nucleon number: 28
Proton number: 14
Nucleon number: 27
Proton number: 12
What are the numbers of hadrons, baryons and mesons in an atom of 73Li?
hadrons: 7
baryons: 3
mesons: 3
hadrons: 7
baryons: 4
mesons: 4
hadrons: 7
baryons: 7
mesons: 0
hadrons: 10
baryons: 7
mesons: 0
A calcium ion is formed by removing two electrons from an atom of 4020Ca . What is the specific charge of the calcium ion?
3.2 × 10–19 C kg–1
2.9 × 10–18 C kg–1
4.8 × 106 C kg–1
4.8 × 107 C kg–1
The nucleus of 94Be captures a proton and emits an α particle. What is the product nucleus?
A positive ion has a charge−to−mass ratio of 2.40 × 107 C kg–1. It is held stationary in a vertical electric field.
Which line, A to D, in the table shows correctly both the strength and the direction of the electric field?
Electric field strength / V m–1: 4.09 × 10–7
Direction: upwards
Electric field strength / V m–1: 4.09 × 10–7
Direction: downwards
Electric field strength / V m–1: 2.45 × 106
Direction: upwards
Electric field strength / V m–1: 2.45 × 106
Direction: downwards
In a nuclear reaction 147N is bombarded by neutrons. This results in the capture of one neutron and the emission of one proton by one nucleus of 147N. The resulting nucleus is
The graph of neutron number against proton number shows three nuclei P, Q and R.
Which of the following identifies an isotope of P and the nucleon number of this isotope of P?
Isotope of P: Q
Nucleon number of isotope of P: y + 1
Isotope of P: Q
Nucleon number of isotope of P: x + y + 1
Isotope of P: R
Nucleon number of isotope of P: x + y + 1
Isotope of P: R
Nucleon number of isotope of P: x + 1
An iodine nucleus decays into a nucleus of Xe−131, a beta-minus particle and particle Y.
Which is a property of particle Y?
It has a lepton number of +1
It is an antiparticle
It is negatively charged
It experiences the strong interaction
23290Th is an unstable nuclide in a radioactive decay series. It decays by emitting an α particle. The next two nuclides in the series emit β− particles.
What nuclide is formed after these three decays have taken place?
Which sequence of radioactive emissions results in the formation of an isotope of the original element?
one α particle and one β− particle
one α particle and two β− particles
two α particles and one β− particle
two α particles and two β− particles
When a nucleus of the radioactive isotope 6528Ni decays, a β– particle and an electron antineutrino are emitted.
How many protons and neutrons are there in the resulting daughter nucleus?
Number of protons: 28
Number of neutrons: 65
Number of protons: 29
Number of neutrons: 65
Number of protons: 29
Number of neutrons: 36
Number of protons: 30
Number of neutrons: 35
23692U undergoes a series of decays to produce 20482Pb
How many alpha decays are involved in this decay series?
5
6
8
10
A radioactive nucleus emits a β–. particle then an α particle and finally another β–. particle. The final nuclide is
an isotope of the original element
the same element with a different proton number
a new element of higher proton number
a new element of lower nucleon number
A nucleus of a particular element decays, emitting a series of α and β− particles.
Which of the following series of emissions would result in an isotope of the original element?
1 α and 1 β−
1 α and 2 β−
2 α and 1 β−
2 α and 2 β−
Two gamma photons are produced when a muon and an antimuon annihilate each other.
What is the minimum frequency of the gamma radiation that could be produced?
2.55 × 1016 Hz
5.10 × 1016 Hz
2.55 × 1022 Hz
5.10 × 1022 Hz
Which graph best shows the relationship between photon energy E and wavelength λ of a photon of electromagnetic radiation?
Which of the following statements about muons is incorrect?
A muon is a lepton.
A muon has a greater mass than an electron.
If a muon and an electron each have the same de Broglie wavelength then they each have the same momentum.
A muon with the same momentum as an electron has a larger kinetic energy than the electron.
Which equation shows the process of annihilation?
π− + π → γ
β− + p → γ
γ + γ → β+ + β−
The partially completed diagram represents electron capture.
Which of the following identifies the exchange particle Q and the quark structure of particle R?
Particle Q: W–
Quark structure of particle R: uuu
Particle Q: W+
Quark structure of particle R: dud
Particle Q: W+
Quark structure of particle R: uuu
Particle Q: W–
Quark structure of particle R: dud
Which row shows the correct interactions experienced by a hadron or a lepton?
A
B
C
D
What interactions are involved in the production of a strange particle and its decay into non-strange particles?
Production: strong
Decay: weak
Production: strong
Decay: strong
Production: weak
Decay: strong
Production: weak
Decay: weak
Which diagram represents the process of beta-plus decay?
Which of the following does not give the correct exchange particle for the process?
Process: gravitational attraction
Exchange particle: W boson
Process: electrostatic repulsion of electrons
Exchange particle: virtual photon
Process: strong interaction
Exchange particle: pion
Process: β− decay
Exchange particle: W boson
When bombarded with an α particle the nuclide 2512Mg changes into another nuclide with the emission of a neutron and γ radiation.
What are the correct values for the nucleon number and proton number of the nuclide which is formed?
Nucleon number: 29
Proton number: 14
Nucleon number: 29
Proton number: 12
Nucleon number: 28
Proton number: 14
Nucleon number: 27
Proton number: 12
Which statement concerning the forces between particles is incorrect?
Leptons experience the weak interaction.
Leptons experience the strong interaction.
Hadrons experience the weak interaction.
Hadrons experience the strong interaction.
Electron capture can be represented by the following equation.
p + e– → X + Y
Which row correctly identifies X and Y?
X: p
Y: K–
X: e–
Y: e+
X: n
Y: Ve
X: n
Y: π0
The nucleus of 94Be captures a proton and emits an α particle. What is the product nucleus?
An electron collides with a neutral atom and ionizes it. Which of the following describes the particles present after the collision?
An electron and an excited atom.
An excited atom containing an excess electron.
Two electrons and a positive ion.
Two electrons and a neutral atom in the ground state.
Artificial radioactive nuclides are manufactured by placing naturally-occurring nuclides in a nuclear reactor. They are made radioactive in the reactor as a consequence of bombardment by
α particles.
β particles.
protons.
neutrons.
In a nuclear reaction 147N is bombarded by neutrons. This results in the capture of one neutron and the emission of one proton by one nucleus of 147N. The resulting nucleus is
The ∑0 baryon, composed of the quark combination uds, is produced through the strong interaction between a π+ meson and a neutron.
π+ + n → ∑0 + X
What is the quark composition of X?
us̅
ud
ud̅
uds̅
An iodine nucleus decays into a nucleus of Xe−131, a beta-minus particle and particle Y.
Which is a property of particle Y?
It has a lepton number of +1
It is an antiparticle
It is negatively charged
It experiences the strong interaction
Which line correctly classifies the particle shown?
A
B
C
D
What of the following is a hadron of zero charge?
neutrino
photon
proton
neutron
What are the numbers of hadrons, baryons and mesons in an atom of 73Li?
hadrons: 7
baryons: 3
mesons: 3
hadrons: 7
baryons: 4
mesons: 4
hadrons: 7
baryons: 7
mesons: 0
hadrons: 10
baryons: 7
mesons: 0
Which of the following is not true?
Each meson consists of a single quark and a single antiquark.
Each baryon consists of three quarks
The magnitude of the charge on every quark is ⅓
A particle consisting of a single quark has not been observed.
Which diagram represents the process of beta-plus decay?
Which of the following is not true?
Each meson consists of a single quark and a single antiquark.
Each baryon consists of three quarks.
The magnitude of the charge on every quark is ⅓
A particle consisting of a single quark has not been observed.
Which of the following is not made of quarks?
kaon
muon
neutron
pion
What is the quark structure for antiprotons?
u̅d̅
d̅d̅s̅
d̅d̅u̅
u̅u̅d̅
23692U undergoes a series of decays to produce 20482Pb.
How many alpha decays are involved in this decay series?
5
6
8
10
The partially completed diagram represents electron capture.
Which row identifies the exchange particle Q and the quark structure of particle R?
Particle Q: W–
Quark structure of particle R: uuu
Particle Q: W+
Quark structure of particle R: dud
Particle Q: W+
Quark structure of particle R: uuu
Particle Q: W-
Quark structure of particle R: dud
The decay of a neutral kaon K0 is given by the equation
K0 → X + Y + v̅e
What are X and Y?
e+ and e–
μ+ and e–
π+ and e–
π– and e+
Electron capture can be represented by the following equation.
p + e– → X + Y
Which row correctly identifies X and Y?
X: p
Y: K–
X: e–
Y: e+
X: n
Y: Ve
X: n
Y: π0
