WorksheetsRadioactivity and Particles 2
Total questions: 21
Worksheet time: 21mins
Daughter nucleus
the original, unstable radioactive element
stable nucleus that results from the decay of a radioactive nucleus
The time it takes for one half of the radioactive atoms in a sample to decay
stable atom that results from the decay of a radioactive atom
parent nucleus
the original, unstable radioactive element
the time it takes for one half of the radioactive atoms in a sample to decay
a subatomic particle that has no charge and is located in the nucleus
the original, unstable radioactive atom
What is an isotope?
one of several forms of the same atoms; same number of protons but have different number of neutrons
a particle that has no charge and is located in the nucleus of an atom.
energy in the form of waves or particles that is emitted from an object and travels through space or air
If one has 12 kg of Polonium and it undergoes two half-lives, how much do you have left?
36 kg
3 kg
6 kg
24 kg
From where in the atom is ionising radiation emitted?
Orbital shells.
Nucleus
It depends on what type (α, β, or γ) the radiation is.
Every radioactive isotope has its own, unchangeable, characteristic half-life.
TRUE
FALSE
The energy emitted through U-236 fission is carried by
the kinetic energy of the fission products.
thermal energy of the fission products.
elastic energy of the fission products.
potential energy of the fission products.
Fission releases
two daughter nuclei and two or three neutrons.
three daughter nuclei and a small number of neutrons.
two daughter nuclei and two neutrons.
three daughter nuclei and two neutrons.
