Aqa A Level Chemistry Paper 1 Study Guide Rated A+

TOF steps {Ans: 1) ionisation 2) acceleration 3) ion drift 4) detection 5) analysis}Strong acid {Ans: an acid that dissociates completely in aqueous solution}Use of Mg {Ans: Extract titanium from its ore TiCl4 + 2Mg -> Ti + 2MgCl2}Why does ionization energy increase across a period? {Ans: Atoms get smaller, nuclear charge increases, similar shielding}I- with H2SO4 {Ans: Produces H2S S goes from +6 to -2 Test for H2S with lead ethanoate which goes from white to black}Hund's Rule {Ans: Electrons prefer to occupy orbitals on their own and only pair up when no empty or bait ask of same energy are available}