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First, look at each of the groups connected to the two carbon atoms in the double bond. Rank these groups by priority based on the atomic mass of the atom connected to the alkene carbon. If both of the heavi...

Electronegativity is the measure of how strongly an atom attracts a bonding pair of electrons to itself. As group 7 is descended, the electronegativity decreases. This is because the size of the halogen atom...

With these sort of questions, it's important to firstly think about what type of bonds make up the structure of the element. For this example, they both have metallic bonds which hold the structures together...

Alkenes are more reactive due to the presence of a carbon carbon double bond (always important to state what the double bond is between or may not get the marks!). This is because the carbon carbon double bo...

Water has strong intermolecular hydrogen bonds that hold the water molecules close together, making it very dense. As water freezes, the hydrogen bonds move further apart as it forms a hexagonal lattice. Thi...