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TermDefinition
atom building block of matter
atomic mass number of protons and neutrons in the atom
atomic number the number of protons in the nucleus of an atom
Bohr Diargram find out witch row your element is in
compound two or more separate element
electron negatively charged particle
energy level the number of rings around the side
family the columns in the periodic table
isotope a given element have the same number of protons in each atom.
matter anything that has mass and takes up space.
metal has good electrical and thermal conductivity.
metalloid same properties of metals
mixture something you can seperate
netron netural charge
nonmetal do not conduct electricity and are poor conductor of heat
period the rows in the periodic table
periodic table all of the elements on a chart
proton positively charged particle in an atom
valence power of an element
chemical symbol The letter or (symbol) it has on the periodic table
lepton a lepton is a particle that does not undergo strong interactions
monomemrs A monomer is a molecule that is able to bond in long chains
petrochemical relating to or denoting substances
polymers substances whose molecules have high molar masses and are composed of a large number of repeating units
ion an atom or molecule in which the total number of electrons is not equal to the total number of protons
ionic bond bond that involves a metal and a nonmetal
covenant bond protect the interests of both parties.
chemical property characteristic of a substance that is observed during a reaction
chemical change substance combines with another to form a new substance
chemical equation symbolic representation of a chemical reaction
chemical formula is a way of expressing information about the proportions of atoms
conservation of mass matter can not be created of destroyed
Lewis structure the dots that show how many leptons there are
nucleus center of the atom
oxidation number Oxidation numbers are hypothetical numbers assigned to an individual atom
physical property s any property that is measurable
change different from what it is or from
product The finished thing in a reaction
quark the most stable of which are protons and neutrons
reactants the thing that reacts
Created by: 2019jpratt
 

 



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