Unit Award Scheme

122531 ATOMIC STRUCTURE

In successfully completing this unit, the Learner will have		Evidence needed
demonstrated the ability to
1	identify the meaning of atoms and state that everything is made of them	Summary sheet and/or student completed work
2	describe what 'elements' and 'compounds' are	Summary sheet and/or student completed work
3	state that elements and compounds are represented by symbols and use chemical symbols and formulae to represent the given elements and compounds	Summary sheet and/or student completed work
4	write word equations and balanced symbol equations for at least two chemical reactions, including using appropriate state symbols	Summary sheet and/or student completed work
5	describe what a 'mixture' is	Summary sheet and/or student completed work
shown knowledge of
6	the key physical processes used to separate mixtures by suggesting at least two suitable separation techniques for sand and salt	Summary sheet and/or student completed work
7	the key ways the atomic model has changed over time due to new experimental evidence, including the discovery of the atom, scattering experiments and the work of James Chadwick	Summary sheet and/or student completed work
8	the main difference between the plum pudding model of the atom and the nuclear model of the atom	Summary sheet and/or student completed work
demonstrated the ability to
9	state the overall charge of an atom given the relative charge of protons, neutrons and electrons	Summary sheet and/or student completed work
10	define the term 'relative atomic mass'	Summary sheet and/or student completed work
11	state the location and relative masses of protons, neutrons and electrons in an atom	Summary sheet and/or student completed work
12	calculate the number of protons, neutrons and electrons in any stated atom when given its atomic number and mass number	Summary sheet and/or student completed work
13	define an 'isotope' as an atom of the same element with different numbers of neutrons	Summary sheet and/or student completed work
14	calculate the relative atomic mass of an element when given the percentage abundance of its isotopes	Summary sheet and/or student completed work
15	represent the electron structure of given elements using diagrams and numbers.	Summary sheet and/or student completed work

All outcomes recorded on an AQA Summary Sheet

Approved 19 November 2024Level - Level One