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NEC51 Particles

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which model of the atom contained electrons in a sea of positive charge?

a)
Rutherford model
b)
Plum pudding model
c)
Bohr model
d)
Quantum mechanical model
2.

Rutherford's gold foil experiments led to the discovery of the...

a)
nucleus of the atom
b)

proton

c)

electron

d)

neutron

3.

Which model of the atom is the one that is currently accepted?

a)
Dalton's model
b)

Thomson's model

c)

Rutherford's model

d)

Bohr's model

4.

How many neutrons are in a uranium-238 atom? (Atomic number = 92)

a)
146
b)
150
c)
92
d)
140
5.

Particles subjected to the strong interaction are called...

a)
hadrons
b)
bosons
c)
quarks
d)
leptons
6.

Fundamental matter particles are called...

a)
quarks
b)
bosons
c)
fermions
d)
leptons
7.

Protons and neutrons are...

a)

hadrons

b)

nucleons

c)

baryons

d)

mesons

8.

How many quarks do baryons have?

a)
3
b)
2
c)
1
d)
4
9.

What arrangement of quarks do protons have?

a)
Two up quarks and one down quark (uud)
b)
Three up quarks (uuu)
c)
One up quark and two down quarks (udd)
d)
Two down quarks and one up quark (ddu)
10.

Elementary particles that do not undergo strong interactions are called...

a)
quarks
b)
bosons
c)
leptons
d)
hadrons
11.

Which of these leptons are neutral?

a)
Electrons
b)
Muons
c)
Taus
d)
Neutrinos
12.

What is the antiparticle of an electron called?

a)
neutron
b)
proton
c)
muon
d)
positron
13.

Which of these is not a fundamental force?

a)
Friction
b)

Strong

c)
Electromagnetism
d)
Gravity
e)

Weak

14.

Force particles are called...

a)

bosons

b)
quarks
c)
leptons
d)
fermions
15.

A photon is an example of a...

a)

Higgs boson

b)

gauge boson

c)

W boson

d)

Z boson