Properties & Bonding 4.0 / 5 based on 1 rating ? ChemistryNational 5SQA Created by: Ross GoodallCreated on: 27-01-13 12:20 True or False: In an element all atoms are the same True 1 of 26 How are elements arranged in the periodic table In order of increasing atomic number 2 of 26 What is the valency of the following groups: a: 2 b: 7 a:2 b: 1 3 of 26 What is electroplating using electricity to create a layer of one metal on top of another to act as protection 4 of 26 How can rusting be slowed down by coating the with a more reactive metal 5 of 26 What can be present in water and speeds up rusting salts and acids 6 of 26 What is used to test for rusting and what color does it turn is rust is present Ferrox Indicator, It turns blue if rust is present 7 of 26 What is needed for rusting to take place Water and oxygen 8 of 26 what is corrosion when metals loose their electrons 9 of 26 Complete the missing words: The _______ the difference in reactivity between the metals, the bigger the _______ produced 1. Bigger 2. Voltage 10 of 26 Complete the missing words: The electrons form the ________ to the _________ reactive metal to produce the current 1. More 2. Less 11 of 26 What is a displacement reaction Where one metal replaces another in a compound 12 of 26 What is the rule of displcement when one metal replaces another in a compound 13 of 26 What are the steps to working out formulae 1. valencies over symbols 2. Cross the valences over 3. cancel out 14 of 26 What is the least reactive metal Platinum 15 of 26 With most reactive first, name the MAZIT metals Magnesium, Aluminium, Zinc, Iron, Tin 16 of 26 What is the general equation when a metal reacts with hydrochloric acid metal + hydrochloric acid --> metal + hydrogen 17 of 26 balance the following equation: Li + H2O --> LiOH + H2 2Li + 2H2O --> 2liOH + H2 18 of 26 What is the general equation when a metal reacts with water metal + water --> metal hydroxide + hydrogen 19 of 26 What is the general equation when a metal reacts with oxygen metal + oxygen --> metal oxide 20 of 26 What is an alloy A mixture of two or more metals. This improves their properties 21 of 26 What 3 terms best describe metals Hard, Malleable, good conductors of heat and electricity 22 of 26 What are the 4 different types of bonding Molecular, Network, ionic, Metallic 23 of 26 What is a diatomic element elements that exist as molecules of 2 atoms 24 of 26 name 3 diatomic elements Hydrogen, Nitrogen, Oxygen, Chloride 25 of 26 what is a molecule atoms joined together by forming chemical bonds between them 26 of 26
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