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What is the difference between compounds elements and atoms etc..?

This can be such a confusing topic and something that I struggled with but once you get it, it makes so much sense. The best way for me to learn these was using flashcards so if that's something you want to ...
RB
Answered by Rebeka B. • Chemistry tutor
3558 Views

Why are different cases of the personal pronoun use in the two parts of the sentence "si enim amici me in caelo videbunt, omnes tandem mihi credent" and what do they mean?

There are two pronouns in this sentence, ' me ' and ' mihi ', which both translate to 'me' in English. me is accusative , while mihi is dative . This is because of the roles they play the different parts of ...
JW
Answered by Jonathan W. • Latin tutor
6029 Views

Translate the following sentence into German: "I have been playing the piano for five years."

Answer: "Ich spiele seit fünf Jahren das Klavier". A common mistake made by students of German would be to say: "Ich habe seit fünf Jahren das Klavier gespielt". This is because the conce...
EB
Answered by Edward B. • German tutor
2961 Views

what is the difference between conduction and convection?

Whilst both are transfers of heat energy- conduction happens best in solids and convection best in fluids. Conduction occurs as atoms gain energy from the heat source and start to vibrate. In conduction part...
MP
Answered by Molly P. • Science tutor
2693 Views

Describe the trend in boiling point of the halogens.

The boiling point of the halogens increases as you go down the group. The halogens exist as diatomic molecules, with both atoms sharing an electron to completely fill the outer shell. The increase in boiling...
LW
Answered by Lucy W. • Chemistry tutor
52471 Views