Radiation Flashcards
1
Q
What is an Alpha particle
A
an alpha particle consists of two protons (so has a 2+ charge) and two neutrons. They are very strongly ionising
2
Q
What is a beta particle
A
A beta particle is a high speed electron. They are moderately ionising.
3
Q
What are Gamma rays
A
They are very high frequency electromagnetic waves. They are produced when an unstable nucleus loses energy.
4
Q
cancer patients recieve radiation through…?
A
gamma rays
5
Q
same atomic number, different atomic mass numbers
A
isotopes
6
Q
the electron carries a ____________ charge
A
negative
7
Q
________________ is when an atom looses an electron
A
ionization
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