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Test (science

Test

QuestionAnswer
What is a compound? A compound is pure substance that is two or more elements that are chemically combined
What are the four divisions? Metal, Non-metals,Metailods,and Noble gases(18 groups)
What are the two particles that are in the nucleus? Protons and Neutrons
What is an element? An element is a pure substance that consists of one type os atom.
How are elements arranged on the periodic table? By atomic number
What are the subatomic particle in an atom? Protons,Neutrons,Electrons
Where are electrons located? Outside the nucleus in energy levels (shells)
What division of the periodic table generally contains elements that are good conductors of heat and electricity Metal
solid A substance with a definite shape and volume
Liquid A substance that has a definite volume but not a definite shape
Gas A substance that has neither a definite shape or volume
Freezing A change in state that occurs when temperature of the particles has decreased energy and a liquid turns into a solid
Melting A change in state that occurs when particles speed up and change from a solid to a liquid
Boiling A rapid change in the state that occurs throughout a substance changing it of a liquid to a gas
Evaporation A change in state that occurs particles from the surface of a liquid change to a gas
Sublimation A change in state directly form a solid to gas
Condensation The reverse of evaporation when a substance changes from a gas to a liquid state
Deposition The change in state directly form a gas to a liquid
Boiling point The specific point temperature at which a liquid change to a gas
Melting point A specific temperature at which a substance turns for a solid to a liquid
Solution “Best mixed”and dissolved particles
Solute Substance that is dissolved
Solvent Substance that does the dissolving
Mixture A mixture is two or more element not chemically combined but physically
Created by: Iseeyougirl
 

 



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