Defintions Flashcards
(5 cards)
1
Q
What is an ion?
A
An atom that has lost or gained electrons.
2
Q
What is a cation?
A
A cation is when an atom has lost electrons, so it had more protons then electrons and so it has a positive charge.
3
Q
What is an anion?
A
An atom that has gained electrons so it has more electrons then protons, so the ion is negative.
4
Q
What is radioisotype?
A
Unstable atoms are known as radiosotype they undergo nuclear decay making them radioactive
5
Q
What is mutation?
A
Cell mutation occurs when the ionising radiation damages DNA inside the cell without causing the cell to die
