Top answers

Explain the trend in reactivity of the elements in Group 7.

The Halogens decrease in reactivity as you descend through the group. The atoms increase in size and Mr as you go down the group. Therefore their outer electrons are further away from the positive charge of ...
KS
Answered by Kirsten S. • Chemistry tutor
9072 Views

Explore emotive language in Plath's "Daddy".

Plath's poem, Daddy consists of 16 stanzas, each five lines, making a total of 80 lines. The metre is roughly tetrameter , four beats, but contains pentameter with a mix of stresses. Enjambment gives the fee...
AA
Answered by Amishta A. • English tutor
3534 Views

What's the first thing I should do when responding to an exam question?

Firstly and most importantly, I would recommend reading the question carefully, making sure you understand it. If there is a passage that comes alongside it, do give yourself time to read carefully and see h...
AM
4401 Views

Solve the following simultaneous equations 7x - 6y =38 and 3x + 9y =-3

To solve these equations you first want to eliminate the same variable from each equation. In this question it is easiest to eliminate Y, to do this we will times equation 1 by 3 to get 21X-18Y=114 and equat...
IR
Answered by Isabelle R. • Maths tutor
3886 Views

In terms of electrons, what happens when magnesium atoms react with oxygen atoms to produce magnesium oxide?

Magnesium loses two electrons which are transferred to the oxygen atom (so oxygen gains two electrons). In this way, both magnesium and oxygen will acheive a stable full outer shell of electrons. The electro...
RK
Answered by Reka K. • Chemistry tutor
20823 Views