When balancing an equation I can never change the ____ of a particular compound
A+B -> AB
The law of the conservation of ____ states that the sum of the masses of the products is always = to the sum of the masses of the reactants
AB + CD -> AD + CB
When given the percentages and asked to find the empirical formula of a compound I must convert the percentages to ____
Prefix for 10
When combining ions the charges of the cation and anion must equal ____
How is the arrow in a chemical equation read?
to measure the elements
formed by removing one or more electrons
AB -> A+B
A chemical ______ is a symbolic representation of a chemical reaction
The simplest ratio for a given compound is it ____ formula
The law of definite composition states A given compound will always have the same ____ _____ or mass percent, no matter what its origin
Prefix used to indicate 9
The units g/mol are used to indicate ____ _____
The charge of the cation hydrogen
Prefix for 6
Down
You use _____ to balance equations
The first ion in an ionic equation is a ____
When given a substances empirical formula what else is needed to calculate its molecular formula
AB + C -> A + BC
When a compound is composed of 2 nonmetals usually the SECOND one ends in what suffix
Identical to the empirical formula
name for ionic compound OH
Located on the left side of a chemical equation
When naming an ionic compound which ion is named first
What is measured in atomic mass units (u)
If I change the subscripts of a compound I change the ____ of the substance
Hepta- is the prefix used when there are ___ of a certain molecule in a compound
What is the charge of hydroxide
Chemical formula for Sodium hydroxide
formed by adding one or more electrons
Phosphate has a charge of negative _____
Tetra is the prefix for which number
The quantity of a ___ is Avogadro's number
The prefix used to indicate 2
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