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Ionic bonding is bonding between a metal and a non-metal. This happens due to a transferal of electrons. For example a metal from group 2 such as Magnesium bonding to a non-metal from gro...

In iron, all the atoms are of the same size so the layers can slide past each other. In steel, there are both carbon and iron atoms which are different sizes, meaning the layers are disrupted and cannot e...

delocalised pi electronslower e density than alkeneshalogen carrier is needed to generate more powerful electrophile so reaction can take place with benzene
draw benzene and resonance hybrids

Compound consisting of carbon and hydrogen atoms only (1)Containing only single carbon-carbon bonds/not containing any carbon=carbon double bonds (1)

Iodine, because the forces between the iodine molecules are stronger than in the other halogens.