CHEMISTRY C1.1 3.0 / 5 based on 1 rating ? ChemistryAtoms and compoundsGCSEAQA Created by: AlexandraCreated on: 23-04-13 19:14 What does the atomic number show? Number of protons 1 of 12 Why do all the elements in group one behave similarly? Because they all have one electron in their outer shell. 2 of 12 Why are the group 0 gases called noble gases? Because they are very unreactive 3 of 12 Why are the group one metals called alkali metals? Because they form alkaline compounds 4 of 12 What is a vertical column called? A group 5 of 12 What is the electrical charge of a proton? +1 6 of 12 What is the electrical charge of a neutron? 0 7 of 12 Is the electrical charge of an electron the same as a proton? Yes 8 of 12 What does the mass number show? The total number of the protons and neutrons 9 of 12 What is the amount of electrons on each energy shell? 2,8,8,2 10 of 12 What elements are ionic bonds between eg metals or non metals? Metals and non metals 11 of 12 Are atoms lost between chemical reactions? No 12 of 12
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