The reaction is called a polymerisation reaction: close polymerisation To produce a long chain polymer from many small molecules (monomers). ethene is the monomer ...

After millions of students discovered their A-level results last week, attention now turns to the younger students who will find out their GCSE grades. Teenagers across the country will find out ...

Part of Combined Science Further chemical reactions, rates and equilibrium, calculations and organic chemistry The reaction is called a polymerisation reaction: close polymerisation To produce a long ...

GCSE students will find out their results today - normally from 10am at their school, college or learning centre. It is the second year that numerical grades have been used, replacing the old A to E ...