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Chemistry
A Level

How does the oxidising power of the group 1 metals vary?

The group one metals all have one electron in their outer shell, so are "electron donors". The further down the group one goes, the higher the electron shell containing the lone electron. The re...

AK
Answered by Adithya K. Chemistry tutor
2688 Views

What is meant by 'activation energy' ?

This is the MINIMUM energy required for a reaction to work or to be activated. If this energy is not reached, the reaction in full does not happy. Imagine a game of basketball. If you do not shoot the bal...

YH
Answered by Yacine H. Chemistry tutor
2913 Views

What is the geometry of a ClF3 molecule? (AQA Unit 1 2015 1d)

Chlorine, Cl, and Florine, F are both in group 7 of the periodic table so they have 7 electrons in the outer energy level, called valence electrons. Each fluorine atom makes one covalent bond to the chlor...

EC
Answered by Eleanor C. Chemistry tutor
13036 Views

What is the meaning of the term 'structural isomers'?

A pair of strutural isomers are two molecules which have the same molecular formula; the same number of each atom, but which have these atoms arranged differently, and are therefore distinct molecules. An...

CP
Answered by Cei P. Chemistry tutor
8692 Views

What is the Le Chatelier's principle?

The Le Chatelier principle was estates that if there is a change in the conditions in a dynamic equilibrium system, the equilibrium of the system will move in order to counteract the change. The condition...

LA
2197 Views

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