What's the Matter?
What are the TWO conditions to classify matter?
Mass and volume
Physical or Chemical Property?
Color
Physical
True or False
Mixtures are composed of more than one substance.
True
1234560
6
Name one element
Gold, Carbon, Silver, etc
A ____________ has particles that are stationary and do NOT flow
Solid
Physical or Chemical Property?
Flammability
Chemical
Distillation is the method of separation used for what types of mixtures?
Liquid mixtures
1.20905
6
An element is NOT a pure substance.
False
An __________ property does NOT depend on the amount of matter present
Intensive
True or False?
Phase changes are physical changes.
True
True or False
Air is an example of a heterogeneous mixture.
False
120.00
4
A row in the periodic table is called
Period
Name an example of an extensive property.
Mass, volume, distance, etc
A solid subliming into a gas is a __________ change.
Physical
The separation method that includes a mobile phase and a stationary phase is called what?
Write this in scientific notation.
48502.0948 g
4.8 x 10 4 g
A column in the periodic table is called
Family
Substances with an indefinite shape and indefinite volume are called __________.
Gases
When sulfuric acid is combined with sugar, gas is released and a tall, black column forms. This is an example of a _________.
Chemical change
A mixture of iron and sulfur can be separated by attracting the iron particles with a magnet. If the iron and sulfur mixture is heated strongly, iron (II) sulfide forms, which is no longer magnetic and cannot be separated by physical methods. What is iron (II) sulfide?
A compound
Write this in standard notation.
4.123 x 10-9
0.000000004123
A 101 g sample of an unknown compound contains 8 g of hydrogen. What is the precent by mass of hydrogen in the compound?
7.9%