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Explain covalent bonding and give an example of a simple covalent molecule.

A covalent bond is a shared pair of electrons between 2 atoms.An example of a simple covalent molecule is CH 4 (methane)
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Answered by Zoe S. • Chemistry tutor
3268 Views

What does consumer surplus mean?

Consumer surplus can be thought of as the feeling of getting a really good deal or a bargain. It happens when you would have been willing to pay an amount for something but the price was actually lower. What...
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Answered by Georgia B. • Economics tutor
2583 Views

Matt has 3 piles of coins, A , B and C. Altogether there was 72p. Pile B had twice as much as pile A. Pile C had three times as much as pile B. How much money was in Pile C?

so we know that A+B+C= 72. We also know that B=2A (1) and C=3B which means C=6A (2) and with this information we can re arrange to equation to be only have one variable. so A+2A+6A= 72 Collecting all the ter...
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Answered by Nazli D. • Maths tutor
4141 Views

How does a pupil's class affect their educational attainment?

In general, pupils from a working class background tend to achieve lower grades than those from a middle-class background.This may be because working class children do not have the same resources as middle-c...
EG
Answered by Emily G. • Sociology tutor
4121 Views

The new reading for James' electricity bill is 7580, and the old reading is 7510, the price per unit is 13p, how much does James have to pay for his electricity?

This question is tricky/unfair because you need to understand how meters work. The old reading was the last time the electricity bill was paid for, so the first thing you need to do is 7580-7510= 70. So that...
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Answered by Michal Z. • Maths tutor
3388 Views