ions

Question 1

what are ions

Answer 1

ions are charged particles that form when an atom or molecule loses or gains electrons.

Question 2

what atoms form ions

Answer 2

atoms without full valence shells lose or gain electrons to become stable through a full valence shell.

Question 3

how do ionic compound form

Answer 3

certain atoms lose electrons to become stable, these electrons will transfer to atoms who need electrons to become stable.

Question 4

How to write ions

Answer 4

the chemical symbol followed by the overall charge of the ion as a superscript.

Question 5

What is a cation and what elements are cations

Answer 5

a positively charged ion, mostly formed from metals in groups 1,2 and 3.

Question 6

what is an anion

Answer 6

a negatively charged ion, formed from non-metals, in groups 5, 6 and 7.

Question 7

how to write ionic compounds

Answer 7

cation goes first followed by the anion. The anion name is also changed to end with ide or ate.