Top answers

Translate the following sentences: 1) Mañana visitaré a mi hermano en Madrid. 2)I have seen a dog today and I saw a cat yesterday.

Tomorrow I will visit my brother in Madrid.2) Hoy he visto un perro y ayer vi un gato.
MR
Answered by Maite R. • Spanish tutor
2253 Views

Why does the reactivity of the Group 1 elements increase as you go down the group?

As you descend group 1, there is an increasing number of electron shells, therefore increasing the distance between the positive nucleus and the negative outer electron which decreases the attraction between...
BJ
Answered by Bethan J. • Chemistry tutor
3032 Views

Explain the formation of the ionic compound Calcium Chloride

This is an example of ionic bonding, meaning that the cation (calcium) will lose electrons and the anion (chloride) will gain electrons so all ions will have a full outer shell.Calcium will form a 2+ ion, me...
BJ
Answered by Bethan J. • Chemistry tutor
23888 Views

(x+2)(x-3) expand and simplify

A key algebraic technique for double brackets is FOILx^2 -3x + 2x -6simplify furtherx^2 -x -6can check by factorisingthe integers adds to make "the number" and multiply to make "the x"
GF
Answered by Grace F. • Maths tutor
3897 Views

Describe the formation of a waterfall.

A waterfall is an erosional landform found in the upper course of a river. Its formation starts as water flows over rock eroding downwards by hydraulic action and abrasion (and perhaps corrosion). Differenti...
GF
Answered by Grace F. • Geography tutor
3882 Views