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Explain why chlorine is more reactive than iodine.

Both Cl and I in Group 7. Both have 7 electrons in its outer shell and require 1 electron to obtain a full shell. Reactivity of these halogens correspond to its ability to gain an electron. Cl can gain an el...
MR
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How should I approach an essay question in a writing exam?

Many people worry about these type of exam questions however, if you follow a set way of approaching them, then they are much less daunting that you might think. Here are my top tips:1) Make you fully unders...
TB
Answered by Thomas B. • Spanish tutor
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List the phases of mitosis in order, and give a brief explanation of each phase.

An easy way to remember the stages of mitosis is- preparation may achieve the impossible Prophase-preparationMetaphase-mayAnaphase-achieveTelophase-theInterphase-impossible. Prophaseis the first phase, where...
AM
Answered by Alex M. • Biology tutor
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How is the sperm cell adapted to its role?

The role of the sperm cell is to fertilise the egg.- It has a streamlined shape with a tail which enables it to swim towards the egg.- It has a head with a nucleus, which contains the genetic material.- It h...
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Answered by Iona S. • Biology tutor
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Find the turning point of the curve whose equation is y = (x-3)^2 + 6.

The turning point can be found by using the concept of transformations. Firstly, it is important to form a relation between the values of a and b in an equation of the following form y = (x+a)^2 + b and the ...
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Answered by Sai V. • Maths tutor
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