chapter 1
chapter 2
chapter 3
chapter 4
mixed
100
a series of steps followed to solve problem
What is scientific method
100
the ratio of the mass of a substance to the volume of the substance
What is density
100
the total kinetic energy of a substance
What is thermal energy
100
the sum of the molar masses of all atoms in its formula
What is formula weight
100
horizontal rows in the periodic table
What is periods
200
the factor that is changed by the scientist
What is independent variable
200
the combination of two or more substances that are not chemically combined.
What is mixture
200
the change of a substance from a liquid to a gas
What is evaporation
200
the mass in grams of one mole of a substance
What is molar mass
200
the temperature and pressure at which a solid becomes a liquid
What is melting point
300
an educated guess regarding the solution to a problem
What is hypothesis
300
a group of atoms that are held together by chemical forces
What are molecules
300
the amount of force exerted on an object
What is pressure
300
electrons in the outermost energy level of an atom
What is valence
300
subatomic particle with a positive charge
What is proton
400
anything that has mass an takes up space
What is matter
400
two or more different elements joined by chemical forces
What is compound
400
the change of a substance from a solid to a gas
What is sublimation
400
a subatomic particle that has no charge
What is neutron
400
the temperature and pressure at which a liquid becomes a gas
What is boiling point
500
what you measure in an experiment
What is dependent variable
500
the capacity of a substance to combine chemically with another substance
What is reactivity
500
change of a substance from a solid to a gas
What is sublimation
500
a subatomic particle with a negative charge
What is electron
500
a factor in an experiment that can be changed
What is variable
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