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chem chp 2

Electron -1
Proton +1
Neutron 0
Atomic number number of Protons in nucleus
Mass number Protons + neutrons
Isotopes Atoms of same element w/ diff numbers of neutrons in their nucli
Ion Atom or group of atoms with net positive or neg. charge.
cation ion w/ + charge
anion ion w/ - charge
neutral atom gains 1/more electron anion
neutral atom loses 1/more electron cation
Ionic compound composed of cation & anion (metal + nonmetal)
Acid Yields H+ (Hydrogen) ions when dissolved in water
Base Yields OH- (Hydroxide) ions when dissolved in water
Created by: meg2t