Chemical Formulae 2.1.2 Flashcards
1
Q
How are ionic compounds formed?
A
A metal and non-metal
2
Q
All metals form what kind of ions?
A
Positive
3
Q
What are polyatomic negative ions?
A
Negative ions made up of more than one type of atom
4
Q
What is a spectator ion?
A
An ion that does not take part in the reaction
5
Q
What does the amount of substance mean?
A
The number of particles in a substance
