Chapter 3 Vocabulary Flashcards
The atoms in a compound are held together by
Chemical Bonds
nonmetal + nonmetal
Covalent / Molecular Bonds
metal + nonmetal
Ionic Bonds
easiest way to represent a compound
Formula
Experimental relative number of atoms in a compound
Empirical Formula
actual number of atoms in a compound
Molecular Formula
Lines are covalent bonds
Structural Formula
more accurate & complete way to specify a compound
Molecular model
Atoms are balls, bonds are sticks
Ball & Stick
best estimate how a molecule appears
Space-filling model
Ionic compounds associated with H2O molecules (salt crystals with water)
Hydrate
Releases H+ in water
Acid
H + nonmetal
Binary Acids
H+ + polyatomic anion
Oxyacids
(molecular mass / molecular weight) is the sum of the atomic masses of all the atoms in its chemical formula
Formula Mass