Top answers

Chemistry
A Level

What factors affect the equilibrium position and in what way?

The easiest way to think about this is as the 'law of opposites' TemperatureExothermim reactions: If temp is increased then the reaction moves in the direction to reduce this rise of temp by shifti...

NL
Answered by Nathan L. Chemistry tutor
6418 Views

Describe the trend in the reactivity of group 2 elements with chlorine as you descend down the group.

As you progress down the group:- Atomic radius increases, therefore there is more electron shielding.- There is an increase in the nuclear charge, however it is outweighed by the increase in shielding.- I...

NL
Answered by Nathan L. Chemistry tutor
14484 Views

What is Le Châtelier's principle?

Le Châtelier's principle is that when a system has reached a dynamic equilibrium the position of equilbrium will move to resist any change that is imposed on it.

For exampl...

TG
Answered by Thomas G. Chemistry tutor
4919 Views

What is oxidation?

Oxidation is the loss of electrons from a molecule, atom, or ion. This corresponds to an increase in the oxidation number of the molecule, atom, or ion.

TG
Answered by Thomas G. Chemistry tutor
3932 Views

What does the term isotope mean?

Atoms of the same element possessing the same numbers of protons and electrons, but different numbers of neutrons in the nucleus.

AH
4025 Views

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