review of matter compoundselementsheterogeneoushomogeneous mixtures matter pure substances energy
TRANSCRIPT
Review of Matter
CompoundsElements Heterogeneous Homogeneous
Mixtures
Matter
Pure Substances
Energy
States of Matter• What is the
physical state of each item at room temperature?
• gold • gasoline • helium• paraffin wax • rubbing alcohol • mercury
Mixtures• Classify each of the
following as homogeneous or heterogeneous mixtures.
– blood – chocolate chip ice cream – brass – motor oil – black coffee
• Heterogeneous• Heterogeneous• Homogeneous• Homogeneous• Homogeneous
Mixtures
• How many phases does every solution have?
• 1 • 2• 3• 0
MixturesClassify each of the
following as an element or a mixture
• silver • pine tree• orange juice • oxygen • iced tea • air
• Element• Mixture• Mixture• Element• Mixture• Mixture
ElementsName the colored
element in each of the following compounds
• NH4Cl• KMnO4
• C3H7OH • CaI2
• (nitrogen)• (potassium)• (carbon)• (iodine)
ElementsHow many total
elements make up each of the following compounds?
• NH4Cl• 3
– 6 • 4
• KMnO4
• 7• 3• 6
• C3H7OH• 11• 12• 4
• CaI2
• 3 • 4• 2
Physical or Chemical Change
Classify each of the following as a physical or chemical change.
• bending a piece of wire • burning coal• cooking a steak• cutting grass
• Physical• Chemical• Chemical• Physical
Physical or Chemical ChangeClassify each of the following
as being either a physical or chemical change
• color change• boiling • cutting • energy absorbed or
released • gas produced • freezing • odor change
• Chemical• Physical• Physical• Chemical• Chemical• Physical• Chemical
Mixture or Compound?• Identify each of the
following as a mixture or a compound.
• soda • candle wax • fog • ink • egg • ice• gasoline • blood
• Mixture• Mixture• Mixture• Mixture• Mixture• Compound• Mixture• Mixture
Heterogeneous or Homogeneous?
Identify each of the following as being a heterogeneous or homogeneous mixture.
• soda • candle wax • fog • ink • egg • gasoline • blood
• Homogeneous• Homogeneous• Heterogeneous• Homogeneous• Heterogeneous• Homogeneous• Homogeneous
Chemical or Physical?• Classify the following
properties of the element silicon as chemical or physical properties.
• blue-grey color
• brittle
• insoluble in water
• melts at 1410 °C • reacts vigorously w/ fluorine
• Physical• Physical• Physical• Physical• Chemical
Look at the following models. (1) Identify each as a substance or a mixture. (2) Then describe its composition as elements only, compounds only, mix of elements, and mix of compounds.
• (a) substance /elements only• (b) mixture /mix of compounds• (c) substance /elements only
(diatomic)• (d) substance /elements only• (e) mixture / mix of elements• (f) mixture /mix of elements• (g) substance /compounds only• (h) mixture /mix of elements