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chapter 3.1

atomic terms

TermDefinition
Matter everything that has mass and takes up space
Element matter that consists of only one type of atom
Metals Good conductors malleable may be solid or liquid
nonmetals bad conductors may be any state
semi-metals sometimes like metals sometimes like none metals
atom The basic building block of matter
atomic theory that everything is made of atoms
compound matter that is made up of two or more types of atoms
molecule the smallest part of a compound that still acts like that compound
proton positively charged and found in nucleolus
Solid a substance that has a definite shape and volume because the atoms are only able to vibrate in place.
Liquid has no definite shape but a definite volume and will form to the shape of its container. This is because the atoms can glide past each other but have forces holding them together.
Gas Without ether a definite shape or volume gas will spread out evenly to fill its container.
PLasma Happens at extremely high temperatures made of the particles that make up atoms and has no definite volume of shape but can conduct electricity.
Freezing When a liquid turns into a solid at cold temperatures because the atoms slow down.
Melting When a solid turns into a liquid because of high temperatures and the atoms speeding up.
Evaporation When a liquid turns into gas because of high temperatures. This has two forms.
Condensation When a warm gas hits a cool solid it turns to liquid because this happens.
mixture is a combination of two or more substances that can be separated easily.
solution is a combination of two substances that can not be separated easily.
Created by: nathaniel-pope