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