Chem Unit 3.2 and 3.3

Matallic(Melting and boiling pt. hardness and malleability, solubility, conductivity)

-conducts electricity because of the sea of val e-

-variable hardness, malleable, not brittle, ductile

- melting and boiling point variable based on # of val e-

-insoluable except to make alloys

Ionic(Melting and boiling pt. hardness and malleability, solubility, conductivity)

-does not conduct electricity except when molten or in solution(electrolytes)

-hard and brittle

-high melting and boiling point (over 500 C)

-Soluble but more soluble in water

-the ionic lattice is held together by strong electrostatic interactions.

Covalent Network(Melting and boiling pt. hardness and malleability, solubility, conductivity)

-Doesn’t conduct electricity except graphite and graphine

-harder and brittle

-very high melting and boiling point (over 1000 C)

-Insoluable

-chain of atoms held together by covalent bonds.

Molecular(Melting and boiling pt. hardness and malleability, solubility, conductivity)

-Does not conduct electricity

-soft and malleable unless H bonded

-Low melting and boiling points (200 C)

-Soluble in non-aq solvents unless h-bonded to water

-bonded by IMF which makes it weak

Boyles Law

-P1V1 = P2V2

-inversely proportional

Charles’ Law

-directly proportional

-V1/T1 = V2/T2.

Gay-Lusssacs’ Law

P1/T1 = P2/T2

-directly proportional

Avogadro’s Law

V1/n1 = V2/n2

-directly proportional