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A reaction in which energy is released into the surroundings by the system.

The carbon atoms in diamond make four bonds The carbon atoms in graphite make three bonds Graphite has delocalised electrons which can move through the graphite to carry a charge Diamond does not have del...

Electronegativity is a key concept used to describe bonding and can be defined as the tendency of an atom to attract a bonding pair of electrons. Each element has a unique number of protons, in Hydrogen's...

Graphite is an allotrope of carbon. The structure of graphite is a honeycomb structure where each carbon is covalently bonded to 3 other carbons. Given that carbon is able to make 4 bonds, there is one fr...

1 mole is just a unit of the amount of particles present in a substance. Here are several definition that all interlink: Mathematically speaking, 1 mole = mass of substance / Molecular Formula Mass. For i...