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Chlorine, as chlorine has fewer electrons shells than bromine. As a result, chlorine is smaller and has a smaller atomic radius. 

The difference in size, relates to boiling po...

The concept of a mole can be difficult to get your head around.

We are used to giving some numbers names, for example 1 million instead of 1,000,000. And we can use a million as a unit, 3 mill...

Benzene is an aromatic compound.

The structure of benzene is a 6 membered ring of carbons each bonded to eachother with a sigma bond, containing two electrons.

The remaining 6 electron...

Structural isomers have the same molecular formula but a different bonding arrangement, or connectivity, between these atoms. This leads to di...

Atoms in a metal are arranged in a lattice formation. What is a lattice? Imagine a grid (squares on a sheet of graph paper for example) where there is a metal atom in each sq...