Relative formula Mass (Edexcel GCSE Chemistry): Flashcards
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Symbol for relative atomic mass
Symbol for relative atomic mass
Ar
Standard that Ar is compared to
Standard that Ar is compared to
Carbon-12 atom
Where Ar values are found
Where Ar values are found
Periodic table
Units for Ar and Mr values
Units for Ar and Mr values
No units (just numbers, as they are relative)
Symbol for relative formula mass
Symbol for relative formula mass
Mr
What Mr represents
What Mr represents
Relative formula mass of a compound
Ar value of carbon (C)
Ar value of carbon (C)
Ar value of oxygen (O)
Ar value of oxygen (O)
Mr of carbon dioxide (CO₂)
Mr of carbon dioxide (CO₂)
Calculation of Mr for CO₂
Calculation of Mr for CO₂
Structure of ionic compounds like NaCl
Structure of ionic compounds like NaCl
Lattice of ions (not individual molecules)
Can Mr be calculated for ionic compounds?
Can Mr be calculated for ionic compounds?
Yes, using the same method with the formula