Ionic Compounds Flashcards
(3 cards)
1
Q
what are ionic compounds?
A
a substance formed by the electrostatic attraction between positively charged ions (cations) and negatively charged ions (anions)
2
Q
what is the overall charge of an ionic compound?
A
zero
3
Q
ionic compound structure
A
- compounds with ionic bonding always have giant ionic structures
- the ions are held together in a closely packed 3D lattice arrangement by the attraction between oppositely charged ions
- the electrostatic attraction between oppositely charged ions is very strong, because a lot of energy is needed to overcome the strong attraction, ionic compounds have high melting and boiling points
- ionic compounds are not electrical conductors when they are solid - but if you melt them, or dissolve them in water, they are able to conduct electricity