Glossary

Reset Glossary
molecular mass

Subject: 

  • Physical Sciences

the sum of the relative atomic masses of the elements that make up the molecule.

Related Terms: 

relative atomic mass

Related Content

protolytic reaction
Subject:
Physical Sciences

an acid-base reaction in which there is a transfer of protons.

linear shape
Subject:
Physical Sciences

atoms in ratio 2:1 with bond angle of 1800 for example HCl.

hydrolysed
Subject:
Physical Sciences

the molecule is split by the addition of a water molecule

electron figuration
Subject:
Physical Sciences

the arrangement of electrons in the different orbitals in an atom.

promoter
Subject:
Physical Sciences

a substance that improves the efficiency of a catalyst is called a promoter.

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Exam practice is essential. Make sure your students have access to practice exam papers for the subjects they take. Make sure the exam papers relate to the correct version of the curriculum.

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Remind your students that studying should be active. They should be making notes, working through examples, doing practice exam papers and testing themselves on the sections they are studying.

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Formulae sheets or key concept sheets are useful for quick revision. Make some sheets your students can stick on a wall or at the back of their books. The more they look at the formulae and key...

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Different study methods work for different students. Encourage your learners to find out what works for them so you can support them.

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Many subjects require students to know work from the previous grades. Make sure your child has access to a good reference book that contains the concepts they need to refer back to.

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Once your teenager has completed practise exam papers, go over the areas where they struggle. Get a study guide to help you and your student if you need help with a particular section.

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Exam practice is essential. Make sure your student has access to practice exam papers for the subjects they take. Make sure the exam papers relate to the correct version of the curriculum.

[ more ]

Studying should be active. Your child should be making notes, working through examples, doing practice exam papers and testing herself on the sections she is studying.

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Formulae sheets or key concept sheets are useful for quick revision. Get your teenager to stick them on the wall in their room. The more they look at the formulae and key concepts, the more likely...

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Different study methods work for different students. Find out what works for your child so you understand how you can support him or her.

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When you are writing an exam, first write down all the formulae or important facts you are worried about forgetting.

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Study for 30 to 45 minutes at a time and then take a break – otherwise you won’t concentrate as well.

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