WebSep 21, 2015 · Paper 1: What's assessed. Topics 1–5: Atomic structure and the periodic table; Bonding, structure, and the properties of matter; Quantitative chemistry, Chemical … Web2 days ago · Since there are 4 phosphorus atoms on the LHS, there must be 4 on the RHS, so scaling up: P4O10 + H2O —> 4H3PO4 Now counting the numbers of each element on either side: LHS: 4 x P, 11 x O and 2 x H RHS: 4 x P, 16 x O and 12 x H So there are 5 too few oxygens and 10 too few hydrogens on the LHS.
AQA Chemistry A-level 3.1.3: Bonding and Structures - PMT
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