C1.2.2 - Isotopes Flashcards
1
Q
What is the mass number?
A
It is the number of protons and number of neutrons there are altogether
2
Q
What are isotopes of an element?
A
They are atoms with the same number of protons and electrons, but different numbers of neutrons
3
Q
What are ions?
A
They are charged particles
4
Q
How do metal atoms turn into ions?
A
They lose 1 or more electrons
5
Q
How do non-metals turn into ions?
A
They gain 1 or more electrons
