Electron shell configuration Flashcards
1
Q
Valency
A
The valency of an element is equal to the number of electrons that each atom needs to gain, lose or share to fill its outermost shell.
2
Q
What are ions
A
Ions are charged atoms
3
Q
How are ions created
A
When an atom loses or gains electrons and becomes charged
4
Q
What is ionic bonding
A
Ionic compounds form when positive and negative ions chemically combine to create a new compound.
5
Q
What are cations
A
They are positively charged ions
6
Q
What are anions
A
They are negatively charged ions
7
Q
A
