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What are the differences between covalent bond and an ionic bond? And can you give an example of each?

A covalent bond is formed when two atoms each share one electron, an example of a molecule that has covalent bonding is methane or CH 4 . An ionic bond is where one (or more) atom donates an electron(s) to a...
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Answered by Rhona S. • Chemistry tutor
6299 Views

What is the structure and function of a nerve cell?

Nerve cells serve an important function in our bodies to relay information as electrical signals from the periphery to the central nervous system. Nerve cells are also called 'neurons' and can be as long as ...
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Answered by Amelia H. • Biology tutor
80072 Views

How do I improve my exam technique in a history exam?

Because your brain is overloaded with dates, facts and figures, it can be hard to know how to deploy them in the most concise way to answer the question on the paper. It is best to enter an exam with an essa...
YI
Answered by Yasmin I. • History tutor
4124 Views

Can you explain the difference between duerfen and muessen in the positive and negative?

In order to understand which of these two is most appropriate for what you are trying to say, you should think about their literal translations. Duerfen is "to be allowed to", expressing permission...
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Answered by Eleanor E. • German tutor
6670 Views

Give an example of a main theme in Hamlet and explain how it is portrayed in the play

Conflict - Hamlet's inner conflict, the literal war, Hamlet and Claudius fighting for the throne, the conflict between Hamlet and Laertes over Ophelia, etc
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