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WorksheetsRadiation #1
Total questions: 25
Worksheet time: 25mins
What type of radioactive particle is shown in the figure?
Beta particle
Gamma ray
Alpha particle
What is the characteristic of the mass of Gamma ray?
has average mass
has small mass
has no mass
has huge mass
The figure depicts which decay process?
Alpha decay
Beta decay
Gamma decay
Identify the type of nuclear decay shown here
21483Bi → 0-1e + 21484Po
alpha
beta
gamma
What type of nuclear decay is shown here
13756Ba →→ 13756Ba + γ rays
alpha
beta
gamma
In order of most to least penetrating radiation we have
Alpha , Beta, Gamma
Beta , Gamma , Alpha
Gamma, Beta, Alpha
Gamma, Alpha, Beta
The force that attracts protons to electrons is the:
Electromagnetic Force
Strong Nuclear Force
Weak Nuclear Force
Gravitational Force
T/F: Gamma Radiation typically occurs on its own, without accompanying other types of radiation.
True
False
This force occurs outside of the nucleus.
Electromagnetic Force
Strong Nuclear Force
Weak Nuclear Force
Gravitational Force
T/F: Radioactivity is not always harmful.
True
False
Solve the nuclear fusion reaction 42He+21H→
63Li
63C
103Li
103Ne
An isotope is a version of an element with the same number of protons but different number of __________.
neutron
electron
In alpha decay, the atomic number...
increases by 2
decreases by 2
increases by 4
decreases by 4
In alpha decay, the mass number...
increases by 2
decreases by 2
increases by 4
decreases by 4
The mass number of Neptunium (Np) is _____.
93
237
95
941
The atomic number of Neptunium (Np) is _____.
93
237
95
241
The particle emitted in beta-minus decay is a ____________________.
a proton
an electron
a neutron
The atomic number of Actinium (Ac) is _____.
88
228
89
227
What type of decay is shown here
23892U ---> 23490Th + 42He.
alpha
beta
gamma
2760Co = ___ + -10e
radioactivity is
the energy that came from radius
The energy that is released from the nucleus of the atom
the energy that is released from the outer shell of the atom
What makes something radioactive?
elements with an atomic number above 81
an unstable nucleus
contaminated sewage
It decays over time
An unstable nuclei will decay ______________.
forever
until it becomes a stable isotope
until there are no neutrons left
Which particles make up an alpha particle?
two protons and two electrons
two electrons and two neutrons
one proton and one neutron
two protons and two neutrons
Which type of radiation is the most penetrating?
A) Alpha particles
B) Beta particles
C) Gamma rays
D) Neutrons
