IGCSE/CXC Relative formula mass and moles Online Test

The mass number is


What is the atomic number?


The mass of a molecule is


The relative formula mass of a molecule of oxygen is


The number of particles in one mole of hydrogen


Which has the most particles in 1 mole Magnesium or Bromine


One mole of a substance is its relative atomic mass, or relative formula mass, in


The mole of an atom =


At room temperature and normal pressure We say: 1 mole of gas =


What is the mass of 5 moles of nitrogen atoms?












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This is a great test for those revising for IGCSE or CXC Chemistry exams.
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Saibi Khan

hello i wanted to ask for some websites or links where i can find tougher questions for my mock exams

2603 days 9 hours 22 minutes ago

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