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It is a good conductor as there are delocalised electrons. It is soft as the layers are only held together by weak Van der Waals' forces so they can slide over one another. It has a high melting point as ...

As you go across period 3 there is a general increase in the trend of the first ionisation energy. This is because the atoms have a greater charge on the nucleus (this means they have more protons). Howev...

[Cu(H2O)6]2+ is and octahedral shaped complex which I shall draw on the whiteboard.

It is blue for thw following reasons:

When the water ligands bond to the Cu2+ ion, it causes the d orbital...

A catalyst is something that changes the rate of a chemical reaction, without being used up during it.

A catalyst provides a different reaction pathway, which requires a lower activation energy tha...

The chemical equation is as follows:

CaCO_3(s)+2HCl_(aq)--->CO_2(g)+H₂O(l)+CaCl_2(aq)

The general formula for an acid reacting with a ca...