Classifying Matter (1)
A pure substance that cannot be broken down into a simpler substance and contains only one type of atom
What is an element?
A homogeneous mixture made by dissolving one substance in another
What is a solution?
The state of matter in which a substance has neither a definite shape nor a definite volume
What is gas?
The smallest chemical unit of an element
What is an atom?
The substance in a solution that gets dissolved
What is a solute?
The state of matter in which a substance has a definite shape and a definite volume
What is a solid?
What is a compound?
The substance in a solution in which the solute dissolves
What is a solvent?
The ratio of a substance's mass to its volume, defined by the equation mass over volume
What is density?
The smallest unit of a chemical compound, composed of two or more atoms bonded together
What is a molecule?
What is matter?
The energy an object has due to its motion
What is kinetic energy?
Two or more substances mixed together, but not chemically bonded
What is a mixture?
DOUBLE: the estimation of an unknown value based on extending a known sequence of values or facts
What is extrapolation?
The natural (passive) movement within gases and liquids that spreads out particles from a area of higher concentration to an area of lower concentration
What is diffusion?