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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 easi...

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.

An ionic bond is the electrostatic attraction between oppositely charged ions formed by atoms that have lost or gained electrons whereas a covalent bond is a shared pair of electrons between two atoms. Ionic...