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What is the charge of a neutron?
What is the charge of an electron?
What is contained in the nucleus?
Where are electrons situated in the current atom model?
Alpha particles are the same as what nuclei?
How many protons are in an alpha particle?
Alpha particles can be absorbed by a sheet of paper. True or false?
Which of the following penetrates further into materials?
When uranium-238 undergoes alpha decay, what is emitted?
What does gamma decay do to the charge of the nucleus?
What is the activity of a sample measured in?
Which two of the following forms of radiation are the most dangerous outside of the body?