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WorksheetsNuclear Decay
Total questions: 16
Worksheet time: 7mins
Carbon-14 and carbon-12 have the same number of protons but a different number of neutrons. These different forms of the same element are called
radioactive
isotopes
nuclei
tracers
The mass number of a nucleus is equal to ______.
the number of protons plus the number of neutrons
the number of electrons
the number of protons
the number of neutrons
What type of nuclear decay is represented in this illustration?
beta decay
gamma radiation
alpha decay
nuclear fusion
How does the alpha decay of a nucleus cause the nucleus to change?
Only the number of protons decreases.
Only the number of neutrons decreases.
The number of neutrons and the number of protons decrease.
The number of protons increases and the number of neutrons decreases.
A neutron changes into a proton and an electron releasing this type of particle.
alpha decay
beta decay
gamma decay
all of the above
alpha & beta decay
