FC8 Flashcards
1
Q
What happens to the energy when chemical bonds are formed?
A
Energy is released
2
Q
What happens to the energy when chemical bonds are broken?
A
Energy has to be taken in
3
Q
Define ionic bonds
A
Ionic binding is the electrostatic attraction between positive and negative ions
4
Q
Define giant ionic lattice
A
Regular array of alternating positive and negative ions
5
Q
Why do ionic compounds have high melting and boiling points?
A
The strong electrostatic attraction between the ions in a giant lattice
6
Q
Are ionic compounds conductors of electricity?
A
They are non conductors of electricity in solid
Conductors when molten or dissolved in water
7
Q
How can a substance conduct electricity?
A
Charged particles must be free to move
