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The three main types of nuclear radiation are alpha, beta, and gamma. Which of the following lists these types of radiation from highest penetrating power to lowest penetrating power?
alpha, gamma, beta
beta, alpha, gamma
beta, gamma, alpha
gamma, beta, alpha
Which equation correctly represents the alpha decay of polonium-214?
This equation shows the radioactive decay of thorium (Th). Which of the following particles is released in this reaction?
Complete the nuclear reaction
What does the 4 in He-4 represent?
the mass number
the atomic number
the number of protons
the number of neutrons
Np-239 emits a beta particle. What element is the other product?
The spontaneous disintegration of a nucleus into a slightly lighter and more stable nucleus, accompanied by emission of particles, electromagnetic radiation, or both, is
In the symbol 20682Pb what does 82 stand for?
Number of protons
What is false of the penetrance of different types of radiation?
Alpha blocked by paper
Beta blocked by aluminum
Beta blocked by paper
Gamma blocked by lead