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Chlorine, bromine and iodine.
This is done by a process called cracking.
Cracking is the process by which the crude oil is heated up in the oil refineries to separate the oil into separate molecules/hydrocarbons.
Rather than the furry creature, in chemistry a mole is a unit used to measure substances. Its equivalent to 6x1023 atoms, the number of carbon atoms in 12g of carbon.
To find a...
Firstly, we should define the first ionisation energyThe first Ionisation Energy is the energy required to remove one mole of electrons from one mole of gaseous atoms to form a mole of ga...
Metals can be described as a lattice of close-packed positive ions in a sea of delocalised electrons. Because the electrons are delocalised, they can move freely through the metal.
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