solutions and solubility Flashcards
evaporation
the changing of a liquid to a gas on the surface of the liquid
condensation
when a gas changes into a liquid
freezing point
the temperature at which a liquid changes to a solid
boiling point
the temperature at which a liquid changes to a gas
element
substance that only contains one type of atom
physical change
when the atoms form in a new way to give us a mixture by do not create a new substance
chemical change
when atoms arrange in a different way to give us a new substance called a compound
mixture
two or more different substances mingled with each other but not chemically combined
element
substance that only contains one type of atom
compound
a substance that is made up of 2 or more different elements that are chemically combined (joined together). compounds contain 2 or more different types of atoms joined together by chemical bonds
atoms
smallest part of a chemical element that can exist
molecule
made up of 1 or more atom. they can be the same or different atoms
solubility
a measurement of how much solute will dissolve in a solvent
unites of solubility
g/100cm3
solvent
dissolves a solute. is a liqiud