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The three types of nuclear radiation with increasing order of penetrating power are
nuclear fusion
beta particles
the critical mass
nuclear fission
alpha, beta, gamma
a chain reaction
alpha particle
25 g
Thorium-234 has a half-life of 24 days. If you started with a 100 g sample of thorium-234, how much would remain after 48 days?
nuclear fusion
beta particles
the critical mass
nuclear fission
alpha, beta, gamma
a chain reaction
alpha particle
25 g
A helium nucleus with two protons and two neutrons is called a(n)
nuclear fusion
beta particles
the critical mass
nuclear fission
alpha, beta, gamma
a chain reaction
alpha particle
25 g
The splitting of the nucleus into two or more parts is called
nuclear fusion
beta particles
the critical mass
nuclear fission
alpha, beta, gamma
a chain reaction
alpha particle
25 g
Negatively charged particles emiitted from a nucleus at a high speed are
nuclear fusion
beta particles
the critical mass
nuclear fission
alpha, beta, gamma
a chain reaction
alpha particle
25 g
The process by which nuclei having low masses are united to form nuclei with large masses is
nuclear fusion
beta particles
the critical mass
nuclear fission
alpha, beta, gamma
a chain reaction
alpha particle
25 g
Neutrons released in a fission reaction can strike other nuclei and cause
nuclear fusion
beta particles
the critical mass
nuclear fission
alpha, beta, gamma
a chain reaction
alpha particle
25 g
The minimum amount of fissionable material that is required for fission to occurr is called
nuclear fusion
beta particles
the critical mass
nuclear fission
alpha, beta, gamma
a chain reaction
alpha particle
25 g
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