Relative formula Mass (Edexcel GCSE Chemistry Combined Science): 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 the symbol for relative atomic mass?
What is the symbol for relative atomic mass?
Ar
Which atom is used as the standard for comparing relative atomic mass?
Which atom is used as the standard for comparing relative atomic mass?
Carbon-12
Where can you find the Ar values for different elements?
Where can you find the Ar values for different elements?
On the periodic table
What units do relative atomic mass (Ar) values have?
What units do relative atomic mass (Ar) values have?
No units
What is the symbol for relative formula mass?
What is the symbol for relative formula mass?
Mr
What does relative formula mass (Mr) represent?
What does relative formula mass (Mr) represent?
Mass of a compound
What is the Ar value for carbon given in the notes?
What is the Ar value for carbon given in the notes?
12
What is the Ar value for oxygen given in the notes?
What is the Ar value for oxygen given in the notes?
16
What is the Mr of carbon dioxide ()?
What is the Mr of carbon dioxide ()?
44
Can Mr be calculated for ionic compounds like sodium chloride?
Can Mr be calculated for ionic compounds like sodium chloride?
Yes, using the same method