C1.2.8 use the and symbols of the first 20 elements, Groups 1, 7 and 0 and other common elements from a supplied Periodic Table to write formulae and balanced  chemical equations where appropriate use the names and symbols of common elements and compounds and the principle of conservation of mass to write formulae and balanced chemical equations and understand that atoms are rearranged ionic during a chemical reaction equations C1.2.9 use the names and symbols of the first 20 elements, Groups 1, 7 and 0 and other common elements from a supplied Periodic Table to write formulae and balanced  chemical equations where appropriate use the names and symbols of common elements and compounds and the principle of conservation of mass to write formulae interpret representations of the and balanced chemical equations and rearrangement of atoms during a ionic chemical reaction equations
C1.2.8 understand that atoms are rearranged during a chemical reaction use the and symbols of the first 20 elements, Groups 1, 7 and 0 and other common elements from a supplied Periodic Table to write formulae and balanced chemical equations where appropriate use the names and symbols of common elements and compounds and the principle of conservation of mass to write formulae and balanced chemical equations and ionic equations  C1.2.9 interpret representations of the rearrangement of atoms during a chemical reaction use the names and symbols of the first 20 elements, Groups 1, 7 and 0 and other common elements from a supplied Periodic Table to write formulae and balanced chemical equations where appropriate use the names and symbols of common elements and compounds and the principle of conservation of mass to write formulae and balanced chemical equations and ionic equations 
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