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Electrophilic Addition

Differences in size of an ionic lattice are directly linked to differences in how exothermic the lattice enthalpy of a salt is. 

Mg²⁺ has a smaller radius than Ca²⁺  and thus ...

It may seem counterintuative that as the elemets' atomic numbers increase their atomic radii decrease. This is due to the increased electrostatic attraction (coulombic interaction) between nucleus and val...

Key facts to be noted by student:

Molar mass of ethanoic acid = 60 g/mol.

pK_a = -log(K_a)

pH =-log([H⁺])

Concentration of acid solution = 3/60 =...

 (i)  Magnesium oxide is an ionic compound meaning the elements reside in a lattice held together by very strong electrostatic forces of attraction between their oppositely charged ions. Since bonds are b...