A Level H2 Chemistry 2012 Paper 1 Answers May 2026

(b) Explain why CO2 is a non-polar molecule.

\[Ionization energy is the energy required to remove an electron from an isolated gaseous atom.\] a level h2 chemistry 2012 paper 1 answers

\[The reaction between zinc and dilute nitric acid produces hydrogen gas because zinc is more reactive than hydrogen and displaces hydrogen from the acid.\] (b) Explain why CO2 is a non-polar molecule

(a) Define the term “ionization energy”. a level h2 chemistry 2012 paper 1 answers

(a) Describe the bonding in CO2.

(b) Explain why the reaction between zinc and dilute nitric acid produces hydrogen gas.