My teacher is expecting me to be a chemist and chemical bonds never was my strong suit. the is much appreciated and i wish i could give much more than 15 points but it's all i have right now.

determine if the elements in the following compounds are metals or non-metals. describe the type of bonding (ionic, covalent, metallic) that occurs in the compound.

no2

nacl

so2

po43-

mgbr2

cao

h2o

k2o

cu-zn alloy

o2

cucl2

no2-

tio2

hf

rb2s

au-ag mixture

fe2o3

c6h12o22