Chemical Equations - page 12 0.0 / 5 ? ChemistryChemical patterns and reactivity seriesGCSEEdexcel Created by: emj790Created on: 09-01-17 19:06 How are Chemical changes shown? Using Chemical Equations 1 of 10 Name one way to show a chemical reaction A word Equation 2 of 10 Why are word equations not as useful as using chemical symbols? You can't tell straight away what's happened to each of the atoms 3 of 10 What are the molecules on the left-hand side of the equation called? The reactants 4 of 10 What are the molecules on the right-hand side of the equation called? The products 5 of 10 What do symbol equations show? The atoms on both sides 6 of 10 What do symbol equations show? The symbols or formulas of the reactants and products 7 of 10 What do the symbol equations need to be? Balanced 8 of 10 What must be on both sides of the equation? The same number of atoms of each element on both sides of the equation 9 of 10 How do you balance the equation? By putting numbers in front of the formulas where needed 10 of 10

The nature of substances and chemical reactions - chemical eqautions and chemical calculations 0.0 / 5

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