Chapter 2 Flashcards
Binary Compound
Composed of 2 elements. can have multiple atoms
Binary ionic compound
composed of a metal and nonmental
binary covalent compounds
composed of nonmetals only or a nonmetal and a metalloid
polyatomic compound
contains 3 or more elements, can have multiples of atoms
hydrates
contains anhydrous salt. formula has a black dot
Cation type of ion
positive charge
anion- type of ion
negative charge
Ionic compounds
composed of ions- charged atoms
binary- likely made of a metal and nonmetal
polyatomic ions- have more than two atoms
cation: metal
anion: nonmetal
Molar mass
mass in grams of 1 mole of anything such as atoms ions, molecules, etc.
Formula Weight
The mass in grams of 1 mole of any formula. Often used in ionic compounds. Represents ratio of cations and anions.
Reactant
formulas to the left side of the equation
-reactants yield products
products
formulas to the right side of the equation
coefficients
numbers to the left of formulas
-tell us proportions
-whole numbers
