Measurement, Mass & Equations (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
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 formula mass?
What is the symbol for relative formula mass?
Mr
Does relative formula mass have units?
Does relative formula mass have units?
No, it's just a number
How do you calculate relative formula mass?
How do you calculate relative formula mass?
Add up all Ar of every atom
What is the relative formula mass of water ()? (H=1, O=16)
What is the relative formula mass of water ()? (H=1, O=16)
18
What is the relative formula mass of oxygen gas ()? (O=16)
What is the relative formula mass of oxygen gas ()? (O=16)
32
What is Mr of calcium carbonate ()? (Ca=40, C=12, O=16)
What is Mr of calcium carbonate ()? (Ca=40, C=12, O=16)
100
How do you handle brackets in formulas like ?
How do you handle brackets in formulas like ?
Multiply inside by number outside
What is Mr of ? (Mg=24, O=16, H=1)
What is Mr of ? (Mg=24, O=16, H=1)
58
Which element has a relative atomic mass of 16?
Which element has a relative atomic mass of 16?
Oxygen
What is the relative atomic mass of sodium (Na)?
What is the relative atomic mass of sodium (Na)?
23