Model of an Atom 0.0 / 5 ? ChemistryAtomsGCSEAQA Created by: lordnellyCreated on: 19-06-18 18:57 Atom the smallest particle of a chemical element that can exist 1 of 19 Element each of more than 100 substances that can't be chemically broken down into simpler substance. each element is distinguished by atomic nummber 2 of 19 Compound a thing that is composed of 2 or more seperate elements 3 of 19 Mixture a combination of different things in which the component elements are individually distinct 4 of 19 What charge does a proton have? +1 5 of 19 What charge does an electron have? -1 6 of 19 What charge does a neutron have? 0 7 of 19 What is the relative mass of a proton? 1 8 of 19 What is the relative mass of an electron? 1/2000 9 of 19 What is the relative mass of a neutron? 1` 10 of 19 Atomic mass is .... protons and neutrons 11 of 19 Atomic number .... protons only 12 of 19 What are protons equal with? electrons 13 of 19 Are all atoms neutral or charged? neutral 14 of 19 Are all ions neutral or charged? charged 15 of 19 Isotope a form of the same element that contains equal number of protons but different number of neutrons 16 of 19 What did James Chadwick discover? neutrons 17 of 19 What was Thomson's model of an atom? Plum pudding model 18 of 19 Relative atomic mass the average mass of an element taking into account the different masses of isotopes 19 of 19
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