Name 4 Physical Properties:
Color, Density, Boiling Pt, Melting Point, Texture, State of Matter, Mass, Volume, Ability to conduct electricity, Magnetism
What is the main idea of telling the difference between physical and chemical change?
"Identity of the substance is changed and cannot be reversed"
9009 has how many Sig Figs?
4
What is the equation for Density?
D=M/V
Ne
Neon
Name 3 Chemical Properties:
Ability to rust, Corrosive, Flammability, Reactivity
Baking is an example of a?
200 has how many Sig Figs?
1
Name all three labels for density.
g/mL, g/cm^3, kg/L
W is
Tungsten
Boiling at 1297 degrees is known as what property
Physical
Silver tarnishing is an example of?
Chemical change
Correctly round 435.67 grams to 2 Sig Figs.
440 or 4.4x10^2 grams
Give 3 examples of mixtures and pure substances each.
Ms Hammer will approve
Sb
Antimony
Flexible, durable, opaque are known as what type of property
Physical
Haircut is an example of
Physical Change
40.0 has how many Sig Figs?
3
What type of mixture can be separated by picking them off?
Heterogenous
Xenon
List all 4 areas of evidence that a chemical change has occurred?
Change in odor, change in color, formation of bubbles, Heat/Light/Sound is given off.
Water freezing is an example of?
Physical change
90.8 + 8.2
99.0
Distinguish between pure substances and mixtures.
Must have 2 differences each
Mixtures-Uneven distribution, can be separated by physical means,
Pure Substances- Even composition, cannot be separated by physical means,
Y
Yttrium