Topic 5 Flashcards
1
Q
Empirical Formula
A
The simplest whole number ratio of atoms in a compound
2
Q
Calculating empirical formula
A
Mass in compound
—————————-
Relative Atomic Mass
GRAMS OVER RAMS
3
Q
Theoretical Yield
Aka predicted yield
A
Tells you how much of a chemical or could make if a reaction went perfectly
4
Q
Moles equation
A
Mass
————-
Relative Mass
5
Q
Element % equation
A
Number of atoms x relative mass of element
———————————
Relative mass of compound
6
Q
Displacement Reactions
A
When a more reactive metal takes the place of a less reactive metal from a compound
7
Q
Ore
A
A rock which contains enough metal that it is economic to mine it and extract the metal
