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Science midterm

TermDefinition
Acid Turns blue litmus red
Element Mater made up of one kind of atom
Molecule Chemical bond where electrons are shared
Base Turns red litmus blue
Compound Substance made up of two or more elements
Neutral A 7 on the pH scale
Nuclear fusion Type of reaction where nuclei are bombarded by neutrons
Oxidation Chemical reaction where substance combines with oxygen
Bohr Planetary model of an atom
Chemical Change where bonds are broken and reformed
Hypothesis Educated guess
Physical change Change in the state of matter
Liquid No definite shape but definite mass
Atomic number Number of protons in atom
Plasma Most common state of matter found at extreme temps
Nacl Example of an ion
Slow oxidation Rotting of fruit
Model A representation of information
Chemical Symbol Group of symbols in a compound
Chemical Bonds Forces that hold a compound together
Monomer One part of a polymer
Uranium Radio active fossil fuels
Polymer Change of carbon atoms
Synfuel Methane
Hydrogen H
Tungsten W
Helium He
Iron Fe
Suffur S
Nickel Ni
Calcium Ca
Potassium K
Gold Au
Mercury Hg
Tin Sn
Copper Cu
Sodium Na
Magnesium Mg
Silver Ag
Lead Pb
Uranium U
Carbon C
Oxygen O
Neon Ne
Zinc Zn
Nitrogen N
Chlorine Cl
Aluminum Al
Silicon Si
Created by: 41
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