How Much? Flashcards
What is the atomic number?
The number of protons.
BOTTOM NUMBER.
(Think atomic-blondie-bottom)
What are isotopes?
Atoms of the same element with different number of neutrons.
Why is it not always possible to obtain the calculated amount of a product?
The reaction may not go to completion because it is reversible.
Some of the product may be lost when it is separated from the reaction mixture.
Some of the reactants may react in ways different from the expected reaction.
What is yield?
The amount of product obtained.
What is the formula for yield?
Amount of product produced / theoretical amount produced
X100
What is Ar?
The relative atomic mass
The mass number
What can you use the Ar to work out?
The relative formula mass (Mr) or compounds.
What is 1 mole?
Having the Ar in g of an element OR
Having the Mr in g or a compound.
Wha is the mass number?
The total mass of neutrons and protons.
TOP NUMBER
What is the order in the empirical formula method?
Mass
Mr
Moles
Dive by smallest
What is the formula for moles?
Mass / Mr
