Relative Formula Mass (AQA GCSE Chemistry Combined Science): Flashcards
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Symbol
Symbol
Relative atomic mass
Symbol
Symbol
Relative formula mass
Standard atom used to compare atomic mass
Standard atom used to compare atomic mass
Carbon-12
Where to find values
Where to find values
Periodic table
Units for and
Units for and
No units (they are relative)
is used for which type of substance?
is used for which type of substance?
Compounds
Steps to calculate
Steps to calculate
Find formula, use values, multiply & add
of carbon (C)
of carbon (C)
12
of oxygen (O)
of oxygen (O)
16
of ( C=12, O=16)
of ( C=12, O=16)
Structure of ionic compounds like NaCl
Structure of ionic compounds like NaCl
Lattice of ions (not individual molecules)
Can be calculated for ionic compounds?
Can be calculated for ionic compounds?
Yes, using same method