Relative Formula Mass (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is relative atomic mass compared to as a standard?
What is relative atomic mass compared to as a standard?
A carbon-12 atom
What is the symbol for relative atomic mass?
What is the symbol for relative atomic mass?
Ar
Where can you find the Ar values for different elements?
Where can you find the Ar values for different elements?
On the periodic table
Do Ar and Mr values have units?
Do Ar and Mr values have units?
No, they have no units
What is the symbol for relative formula mass?
What is the symbol for relative formula mass?
Mr
What is relative formula mass (Mr) used for?
What is relative formula mass (Mr) used for?
Compounds
What is the Mr of if C has Ar of 12 and O has Ar of 16?
What is the Mr of if C has Ar of 12 and O has Ar of 16?
44
What is the Ar value for carbon (C)?
What is the Ar value for carbon (C)?
12
What is the Ar value for oxygen (O)?
What is the Ar value for oxygen (O)?
16
How do you calculate Mr for ionic compounds like NaCl?
How do you calculate Mr for ionic compounds like NaCl?
In the same way as for other compounds