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Chemistry
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Predict the bond angles and shape of a molecule of ammonia.

  1. There are four (4) groups of electrons around the central nitrogen atom (3 shared pairs and one lone pair of electrons)2) According to electron repulsion theory, the electrons move further away from...
NB
Answered by Nathan B. Chemistry tutor
5251 Views

How might I go about balancing chemical equations?

First let us look at what the specification asks of you as a student:E.g. AQA GCSE chemistry specification 4.3.2.3 Using moles to balance equations (HT only) The balancing numbers ...

CG
Answered by Claudia G. Chemistry tutor
3612 Views

How does the first ionization enthalpy change down group 2?

First ionization enthalpy is the energy required to remove one electron from each atom in one mole of gaseous atoms, forming one mole of gaseous 1+ ions. The first ionization enthalpy is largely dependent...

MS
Answered by Matthew S. Chemistry tutor
2194 Views

How do you draw an alkene stereoisomer?

Definition of StereoisomerThe meaning of a stereoisomer is compounds with the same structural formula but a different arrangement of atoms in space.
How to Draw...

HM
Answered by Hussain M. Chemistry tutor
2459 Views

Why does iodine have a higher boiling point than chlorine?

Iodine is a larger molecule, with more electrons, than chlorine. Therefore Iodine has stronger intermolecular forces than chlorine, which require more energy to break. This results in Iodine having a high...

BW
Answered by Ben W. Chemistry tutor
33850 Views

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