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27 terms

Friday Quiz!!

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atom
smallest part of an element that can be identified as that element
electron
negatively charged particle
neutron
neutral particle
nucleus
center, or core, of an atom
proton
positively charged particle
atomic number
number of protons in the nucleus of an atom
atomic mass
total mass of the protons and neutrons in an atom, measured in atomic mass units
mass number
number of protons and neutrons in the nucleus of an atom
energy level
place in an atom where an electron is most likely to be found
compound
substance made up of two or more elements chemically combined
molecule
smallest part of a substance that has all the properties of the substance
substance
any element or compound
mixture
two or more substances that have been mixed together but not chemically combined
chemical formula
way of writing the name of a compound using chemical symbols
subscript
number written to the lower right of a chemical symbol
K shell
can hold up to 2 electrons
L shell
can hold up to 8 electrons
M shell
can hold up to 18 electrons
displacement
amount of water an object replaces
suspension
cloudy mixture of two or more substances that settle on standings
insoluble
not able to dissolve
soluble
able to dissolve
solute
substance that is dissolved in a solvent
solvent
substance in which a solute dissolves
dissolve
go into solution
solution
mixture in which one substance is evenly mixed with another substance
surface tension
like an elastic net around the water that holds the molecules together