Module C4 - The Periodic Table 0.0 / 5 ? ChemistryAtoms and compoundsGCSEOCR Created by: Alpha ElephantCreated on: 20-10-13 12:43 Name the 3 particles in an Atom and their charges Protons (+1), Neutron (0), Electron(-1) 1 of 5 What is 'The Mass Number' and 'The Atomic Mass'? Mass Number: Total number of Protons and Neutrons. Atomic Number: The number of Protons. 2 of 5 Name the 5 Element groups on the periodic table from left to right. 1. Reactive metals. 2. Transition elements. 3. Post-transition metals. 4. Non metals. 5.Noble gases 3 of 5 What is an Isotope? Isotopes are different forms of the same element, which have the same number of Protons but a different number of neutrons. 4 of 5 Why were spaces left in Mandeleevs periodic table? Because he predicted the properties of so far undiscovered elements. 5 of 5
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