Periodic Table + Acids and Bases 0.0 / 5 ? ChemistryThe Periodic TableAcids, bases and saltsGCSEAQA Created by: romajstorovicCreated on: 02-03-18 16:47 What is a base? An oxide/hydroxide of a metal e.g. calcium oxide/calcium hydroxide 1 of 13 What is an alkali? A soluble base. 2 of 13 What is an oxide? A metal combined with oxygen. 3 of 13 What is a hydroxide? A metal combinded with oxygen and hydrogen. 4 of 13 What is an ion? A positively charged atom, becoming positive by losing an electron. 5 of 13 HCl + NaOh -> ? NaCl + H2O 6 of 13 Neutralisation reactions produce ___ and ___. Salt and water 7 of 13 What is the formula for sulphuric acid? H2SO4 8 of 13 What is the formula for hydrochloric acid? HCl 9 of 13 What is the formula for nitric acid? HNO3 10 of 13 What is the formula for ethanoic acid? CH3COOH 11 of 13 Why were scientists critical of Newlands' Law of Octaves? He didn't leave gaps for the other elements 12 of 13 Give two ways in which Mendeleev's table was better. 1. Space was left for the other elements. 2. Elements were grouped by both relative atomic mass and properties. 13 of 13
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