Outline of how a time of Predict how different particles might behave in the time of flight (TOF) mass flight mass spectrometer spectrometer and Interpret the mass spectrum interpret data from the for different elements and mass spectrum of an deduce information about the element. mass of different isotopes 4 Interpreting mass MS 3.1: Students interpret 1.5 3.1.1.2 Mass number and isotopes Identify different elements spectra and analyse spectra. Mass spectrometry can be used to 1.6 using mass spectra identify elements. Interpret data from the Identify molecular ions from mass spectra of Mass spectrometry can be used to their m/z values from a mass elements and molecules spectra determine relative molecular mass. Explain how different and explain their Students should be able to: interpret molecular ions from a mass formation. simple mass spectra of elements; spectra are formed calculate relative atomic mass from isotopic abundance, limited to mononuclear ions. 5 Emission spectra 1.7 3.1.1.3 Electronic configuration Describe the shapes of s and p Electron configurations of and ions Introduction to the idea electron orbitals up to Z = 36 in terms of levels and of emission spectra and Write the electronic (orbitals) s, p and d. how they provide configuration of atoms and evidence for energy ions up to Z=36 in terms of level and sub levels (orbitals), shells. s, p and d Describe the electronic Explain the link between configuration of emission spectra and energy elements in of s, p levels and d orbitals 6 Evidence form Define first ionisation energy 1.8 3.1.1.3 Electronic configuration Write equations for first and ionisation energies Ionisation energies. 1.9 successive ionisation energies Describe what ionisation Students should be able to: define Explain how first and energy is. first ionisation energy; write successive ionisation energies in Period 3 (Na–Ar) and in equations for first and successive Group 2 (Be–Ba) give evidence
Outline of how a time of flight (TOF) mass spectrometer and interpret data from the mass spectrum of an element. Predict how different particles might behave in the time of flight mass spectrometer Interpret the mass spectrum for different elements and deduce information about the mass of different isotopes 4 Interpreting mass spectra Interpret data from the mass spectra of elements and molecules and explain their formation. Identify different elements using mass spectra Identify molecular ions from their m/z values from a mass spectra Explain how different molecular ions from a mass spectra are formed 3.1.1.2 Mass number and isotopes Mass spectrometry can be used to identify elements. Mass spectrometry can be used to determine relative molecular mass. Students should be able to: interpret simple mass spectra of elements; calculate relative atomic mass from isotopic abundance, limited to mononuclear ions. MS 3.1: Students interpret and analyse spectra. 1.5 1.6 5 Emission spectra Introduction to the idea of emission spectra and how they provide evidence for energy shells. Describe the electronic configuration of elements in of s, p and d orbitals Describe the shapes of s and p electron orbitals Write the electronic configuration of atoms and ions up to Z=36 in terms of level and sub levels (orbitals), s, p and d Explain the link between emission spectra and energy levels 3.1.1.3 Electronic configuration Electron configurations of and ions up to Z = 36 in terms of levels and (orbitals) s, p and d. 1.7 6 Evidence form ionisation energies Describe what ionisation energy is. Define first ionisation energy Write equations for first and successive ionisation energies Explain how first and successive ionisation energies in Period 3 (Na–Ar) and in Group 2 (Be–Ba) give evidence 3.1.1.3 Electronic configuration Ionisation energies. Students should be able to: define first ionisation energy; write equations for first and successive 1.8 1.9