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IB

Define three element properties and explain how they change across the periodic table.

First, we have atomic and ionic radii which, as the name suggests, refer to the size of the atom, or the ion in the latter case. Radii increase as you go down a group (i.e. Halogens), since the number of ...

DA
2216 Views

Was the decline of the Qing dynasty inevitable?

I would first define the chronological framework for answering the question. For this question, I'd answer in reference to the period from the 1830s - 1911, as the later Qing period from the time of susta...

NW
Answered by Naomi W. History tutor
2925 Views

How do I write a good introduction?

The introduction is the crux of the essay in which you clearly set out your line of argument. I would start my introduction off with a quick summary of the historiographical debate surrounding the questio...

LA
Answered by Luqman A. History tutor
1642 Views

How do you integrate xln(x) between the limits of 0 and 2?

In order to answer this question you need to use integration by parts.Using the standard integration by parts formula: ∫u dv/dx dx = uv-∫v du/dx dx.Let:u=ln(x) v=(1/2)x2du/dx=1/x dv/d...

LK
Answered by Lena K. Maths tutor
1604 Views

How do you perform implicit differentiation?

Implicit differentiation is used when the function you need to differentiate is not in the form y = f(x). For example: y4 + 3x2 - 10 + 2y2 = 4xThe first step is to differe...

TF
Answered by Toby F. Maths tutor
1574 Views

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