8:Intro to bonding and Ionic Bonding Flashcards
1
Q
Is breaking bonds exothermic or endothermic
A
Endothermic
2
Q
Is forming bonds exothermic or endothermic
A
Exothermic
3
Q
Definition of ionic bonding
A
the electrostatic attraction between positive and negative ions.
4
Q
Properties of ionic compounds
A
High melting and boiling points.
Don’t conduct as solid, conduct when molten or dissolved in water.
Many ionic compounds are soluble in water
5
Q
Why do ionic compounds conduct when molten or dissolved in water
A
The ions can move so the charge can be carried