Use the names and symbols of the first 20 elements in the periodic table.

In the subtopic Atoms, elements and compounds, this learning objective focuses on use the names and symbols of the first 20 elements in the periodic table. It sits within A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes for AQA GCSE Chemistry 8462, so the explanation must keep the chemistry linked to Atoms, elements and compounds rather than drifting into a nearby idea. Approved keywords to use include element. element means a substance made from one type of atom, represented by a chemical symbol Avoid the mistake of students often confuse the symbols of elements, such as writing 'O' for sodium instead of 'Na'; instead, to fix this, students should memorize the correct symbols for the first 20 elements and practice using them in context For exam answers, create flashcards for the first 20 elements, including their symbols, and quiz yourself regularly