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100
a substance made up of atoms of two or more different elements joined by chemical bonds
What is a compound?
100
in a solution, the substance in which the solute dissolves
What is a solvent?
100
change that does not result in a new substances
What is a physical change?
100
type of change that results in a new substance
What is a chemical change?
100
a pure substance that cannot be separated into simpler substances by physical or chemical means
What is an element?
200
in a solution, the substance that dissolves in the solvent
What is a solute?
200
mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas
What is a suspension?
200
mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions
What is a colloid?
200
Salt water -> mixture or compound
What is a mixture?
200
a property of an element that does not depend on the amount of the element is called a ________
What is a characteristic property?
300
a homogeneous mixture of 2 or more substances uniformly dispersed through a single phase
What is a solution?
300
substance that is shiny and malleable
What is a metal?
300
properties that make things mix more quickly in water
What is solubility (based on temperature & pressure)?
300
What kind of property is "reactivity with acid"?
What is a chemical property?
300
How can a mixture of liquids be separated?
What is distillation?
400
A solid solution of metals or nonmetals dissolved in metals is an ________
what is an alloy?
400
The amount of a particular substance in a given quantity of a mixture or solution.
What is concentration?
400
Compounds of all living things include _________
What is a protein?
400
non-malleable, brittle, dull, poor conductors of heat & electricity
What are properties of non-metals?
400
a machine that separates mixtures by the densities of the components
What is a centrifuge?
500
Boiling point, melting point, color, texture, density
What is an elements physical properties?
500
a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
What is a pure substance?
500
Solubility is dependent on ________ & __________
What is temperature and pressure?
500
heating, crushing, stirring (mixing)
What are three ways to dissolve solids faster?
500
Elements join in a specific mass ______ to form a compound.
What is a ratio?