Element, Compound, or Mixture?
physical/chemical property
homo/heterogenous
elements or compounds
Physical/Chemical Change
100
mixture
100
density
physical
100
salt water
homogeneous mixture
100
Salt (sodium chloride)
compound
100
sharpening a pencil
physical change
200
element
200
melting point
physical
200
tossed salad
heterogeneous mixture
200
gold
element
200
melting of copper metal
physical change
300
mixture
300
flammability
chemical property
300
chocolate ice cream
homogeneous mixture
300
water
compound
300
corrosion of bicycle frame
chemical change
400
compound
400
state of matter
physical property
400
chocolate ice cream with whipped cream on top
heterogenous mixture
400
sugar
compound
400
candle wax melting
physical change
500
mixture
500
smell
physical property
500
italian salad dressing
heterogeneous mixture
500
oxygen as O2
element
500
two liquids are mixed and produce bubbles (gas)
chemical change