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What is an ionic bond? Give an example of one.

An ionic bond is the transfer of electrons from one atom to another to obtain a stable outer shell. This only happens between a metal and a non metal. For example, magnesium would transfer 2 electrons to an ...
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Answered by Kenny C. • Chemistry tutor
3091 Views

How would you approach the analysis of a primary source

I would first read or look at the source on a basis of content, without the question in mind, to make sure I understood what it was I was looking at or what was being said. Then I would revisit the source an...
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Answered by Sam R. • History tutor
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The equation of the line L1 is y = 3x – 2. The equation of the line L2 is 3y – 9x + 5 = 0. Show that these two lines are parallel.

To begin with,for every line ax+by+c=0 the gradient is m=(-a)/b.From theory, it is known that two lines are parallel only if their gradients are equal. For line 1: y=3x-2, it implies that 3x-y-2=0(we just su...
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Answered by Anca I. • Maths tutor
5205 Views

How do you factorise a quadratic equation?

By looking at the equation you see it is made up of three components. The way to factorise it is to multiply the integer or constant at the end by the coefficient of the x 2 term, the number before the x 2 ....
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Answered by Sidhi K. • Maths tutor
3736 Views

How do I analyse and compare poems?

A lot of students analyse individual poems in an exam essay but what puts you in the highest bands and helps you to achieve higher marks is the way you compare and contrast the poems. It's important to look ...
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Answered by Anushe S. • English tutor
2622 Views