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Chemistry Midterm

TermDefinition
Chemistry Study of properties and changes in matter
Non-polar covalent Bond type when atoms share electrons equally
Electronegativity Scale that describes ability to attract electrons
Polar Covalent Bond type when atoms share electrons unequally
Element Substances made of only one type of atom
Matter Anything that has mass and occupies space
Nucleus Dense central portion of an atom
Diatomic Element Have No Fear Of Ice Cold Beer; Hydrogen, nitrogen, fluorine, oxygen, iodine, chlorine, bromine
Isomers Basically lookalike
Bond Has two hydrogens
Subatomic scale The domain of physical size that encompasses objects smaller than an atom
Ionic Metals + nonmetal Attracted to each other bc of opposite charges
Covalent Metals + Metals
Ion when an atom changes the number of electrons it has, the new particle is called
Compound Cannot be separated, always has a constant composition
Mixture Mix of different substances that can be separated
Cations Positive charge
Anion Negatively charged
Dipole-Dipole Attraction between polar molecules
Hydrogen Bonding Only occurs between molecules with H attached to, ONF
Dispersion (London) Forces Nonpolar molecules (weakest)
Created by: jennifer2flores
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