alpha radiation
what is an alpha particle ?
an alpha particle is a fast moving packet containing two protons and two neutrons .
what are beta particles?
a radioactive process in which an electron is emitted from the nucleus of radioactive atom.
what are gamma rays ?
ionizing radiation
what do alpha particle contain?
two protons and two neutrons.
what is the beta particles that is emitted?
a form of ionizing radiation also known as beta rays
are gamma rays harmful
yes , harmful and dangerous
what is the net spin of alpha particles ?
net spin of zero
what they most similar to?
a high energy electron.
what are natural sources of gamma rays ?
radioisotopes and cosmic rays
what is the most well known source of alpha particles ?
alpha decay of heavier atoms
where do beta particles come from?
beta particles may be emitted from the nucleus
who discovered gamma rays
paul villard
what percent of alpha particles makes up cosmic rays ?
about 10 to 12%
how can the direction of a beta particle be changed?
it will be deflected by a magnetic field or an electric field .
how can gamma rays be used?
cancer medicine , x-rays , or nuclear bombs