A characteristic of a substance that can be observed and measured without changing the identity
What is physical property?
100
A change that affects one or more physical properties of a substance
What is physical change?
100
It is made up of one or more of the same kind of atom chemically combined
What is an element?
100
A substance that does not have a definite volume or shape
What is a gas?
200
Lwh
What is the formula for volume?
200
The rate at which a substance transfers heat
What is thermal conductivity?
200
A law that states in chemical and physical changes mass is not destroyed nor created, only transformed
What is the law of conservation of mass?
200
Suspensions, solutions, colloids
What are the three types of classifications for mixtures?
200
It is frozen carbon dioxide
What is dry ice?
300
You use a spring scale
How do you measure weight?
300
A physical property can always be observed without changing the identity of a substance. A chemical property is observed by attempting to change the identity of a substance
What is the difference between a chemical property and a physical property?
300
Metals at the left, metalloids in the middle, and nonmetals at the right.
What is the order in which the periodic table of elements are put in?
300
The change directly from a gas into a solid
What is deposition?
400
D= m/v
What is the formula for finding density?
400
Density, electrical conductivity, thermal conductivity, boiling point, melting point, luster, malleability, & magnetic attraction
What are the eight common physical properties?
400
Production of odor, production of gas, formation of a precipitate, change in color, change in energy
What are the five common chemical changes?
400
A type of homogenous mixture in which one substance is dissolved in another.
What is a solution?
400
The change from a solid state directly into a gas
What is sublimation?
500
The moon has less gravitational force on us
Why is their more weight on you on Earth than in the moon?
500
The ability of a substance to dissolve into another substance
What is solubility?
500
1770s French chemist Antoine Lavoisier
Who and when made the first demonstration of the law of conservation of mass?
500
By their pH, inorganic or organic, & by their role in the body