Relative Formula Mass (AQA GCSE Chemistry): Quizzes

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Relative Formula Mass
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10 questions from this quiz

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What is the symbol for relative atomic mass?

ArA_r

Which atom is used as the standard for comparing relative atomic mass?

carbon-12

Where can you find the ArA_r values for different elements?

periodic table

What is the symbol for relative formula mass?

MrM_r

Do ArA_r and MrM_r values have units?

No, they are just numbers

What is the ArA_r value for carbon?

12

What is the ArA_r value for oxygen?

16

What is the MrM_r of carbon dioxide (CO2CO_2)?

44

How do ionic compounds like NaCl exist?

as a lattice of ions

Can you calculate MrM_r for ionic compounds?

Yes, using the same method

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