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List the first 4 halogens as they appear in the periodic table as they appear. What does your answer suggest about their relative reactivity?

Fluorine, Chlorine, Bromine, IodineIf you write the electronic structure to start, F = 2,7, Cl = 2, 8, 7, Br = 2, 8, 8, 7, I = 2, 8, 8, 8, 7. This shows that they all have 7 outer electrons so we can tell...

JI
Answered by Joseph I. Chemistry tutor
2779 Views

Discuss the political effects of automation

First give time to question the question. Look for key words that you can break down; in this example automation is a very broad concept and could use defining, and 'political' effects begs the question o...

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How is water reabsorption carried out in the kidney?

When water levels are low in the blood, osmoreceptors in the hypothalamus detect this change and trigger the posterior pituitary gland to release a hormone called ADH. ADH binds to receptors on the cell m...

JP
Answered by Jenna P. Biology tutor
2721 Views

Outline the Logical Problem of Evil and explain why it is a problem for the thiest.


The Logical Problem of Evil alleges that there is a logical inconsistency between the existence of God, as traditionally conceived, and the existence of evil. The formalised version of the argument ...

JT
Answered by Joshua T. Philosophy tutor
3162 Views

If we take a number and square it, the answer is also the product of the two numbers either side of it plus one. Prove algebraically that this works for all numbers.

First of all let's give some examples: 5^2=4x6+1 = 25 or 6^2 = 5x7+1 = 36. To prove it for every number let's call the number x (e.g. x was 5 and 6 in the cases above). Then the result we want to prove is...

MM
Answered by Miles M. Maths tutor
2639 Views

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