Top answers

What is the electronic configuration of Chlorine and of a chloride ion and explain why Chlorine is 'happiest' as a chloride ion.

Cl - 1s22s22p63s23p5 Cl- - 1s22s22p63s23p6 The 3p orbital is slightly unstable because of the single unpaired electron which is at a higher energy and wants to pair up, the 3p orbital is more stable when the...
MS
Answered by Molly S. • Chemistry tutor
16494 Views

How does the body bring blood glucose concentration from a high level back to normal?

When blood glucose concentration rises above its optimum level of 90mg/100cm 3 , it is detected by β-cells in the Islets of Langerhans in the pancreas. These β-cells release insulin into the bloodstream. Ins...
EH
Answered by Emily H. • Biology tutor
6082 Views

What do I need to do to be more concise?

English tutors seem to like the word concise a lot. It’s a direction that requires you to say more with less, which can be frustrating, and like most things with English, there is no clear-cut way to go abou...
HB
5344 Views

What can pronouns tell us about the meanings and representations in a text?

Pronouns are a useful starting point when structuring an essay, because they provide an immediate focus on the attitudes within a text. Though they may appear insignificant, pronouns provide important clues ...
HB
7654 Views

Differentiate the following: 5x^3

=3*5x^2 =15x^2
LA
Answered by Lavin A. • Maths tutor
4857 Views