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CHEMISTRY (Element (Compound (Atom (Molecule (SMALLEST particle of a…
CHEMISTRY
Element
pure substance, CANNOT be broken down into simpler substances, ALL particles are ATOMS
Compound
pure substance, CAN BE broken into simpler substances, ALl particles are MOLECULES
Atom
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Molecule
SMALLEST particle of a COMPOUND with properties of the compound, COMBINATION of ATOMS BONDED TOGETHER
Electron
part of atom, NO MASS, located in shells, NEGATIVE charge
Proton
part of atom, MASS, located in nucleus, POSITIVE charge
Nuetron
part of atom, MASS located in nucleus, NEUTRAL charge
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Atomic Number
number in periodic table, indicates the number pf protons in atom
Atomic Mass
number in periodic table element, indicates number of protons and neutrons in atom
Valence Electrons
electrons in the outermost energy shell of an atom, electron participating in a chemical reaction
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Ionic Bond
BOND BETWEEN CATIONS and ANIONS, bond through giving and or taking electrons completing valence
Covalent Bond
atoms form bond through SHARING electrons completing valence molecules formed by electrons going around 2 component atoms
Polar/Hydrogen Bond
bond between (+) and (-) sides of different molecules, form between molecules that don't equally share electrons
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