AQA Chemistry GCSE C3 Quiz [Development of the periodic table] A 10 question quiz covering the development of the periodic table. 4.5 / 5 based on 15 ratings ? ChemistryThe Periodic TableGCSEAll boards Created by: JoshCreated on: 29-04-11 10:03 Dmitri Mendeleev's stroke of genius was to do what? Leave gaps in his table for undiscovered elements. 1 of 9 The Group 1 elements are often referred to as the alkali metals. Why? Because the solution left over from a reaction between an alkali metal and water contains hydroxide ions, making it alkali. 2 of 9 The Group 7 elements are called _____ ? The halogens. 3 of 9 The alkali metals are not very dense and are very soft. True or false? True 4 of 9 As we go down Group 7, the elements become increasingly reactive. True or false? False 5 of 9 Vanadium atoms, V, have an ion V[5+]. Oxygen atoms, O, have an ion O[2-]. What is the empirical formula of vanadium(V) oxide? V2 O5 6 of 9 The halogens are _____ ? Poisonous non-metals with coloured vapours. 7 of 9 John Dalton arranged the known elements in order of their _____ ? Atomic mass 8 of 9 The transition metals are useless as structural materials. True or false? False 9 of 9
Comments
No comments have yet been made