Atoms and Elements
What is the basic unit of a chemical element
A combination of two or more substances that retain their individual properties
The ability to do work or cause change.
Energy
The base unite of length in the metric system.
What is a pure substance consisting of one type of atoms.
Element
The process of a liquid turning into a solid.
Freezing
A device that converts mechanical energy into electrical energy.
Generator
A chart that presents categorical data with rectangular bars.
Bar graph
Atoms of the same element with different numbers of neutrons
Isotope
A mixture where small particles are evenly distributed but not dissolved.
Collid
A resource that can be replenished naturally.
Renewable resource.
A graphical representation of the distribution of numerical data.
Histogram
Elements in groups 1,2 and 13-18 of the periodic table.
Representative Element
A mixture with a non-uniform composition throughout.
Herterogenous
Energy carried by light.
Radiant energy.
The base unit of volume in the metric system.
Liter
Different forms of the same element in the same physical state.
Allotrope
The tendency of matter to change in volume as temperature changes.
Thermal expansion/Contraction
The equation used to find the amount of energy needed to change an objects temperature one degree.
Q=mcΔT
Kilo, hecto, deca, deci, milli, centi, used to denote multiples or fractions of units.
Metric Prefixes