The Modern Periodic Table 2.0 / 5 based on 1 rating ? ChemistryThe Periodic TableGCSEAQA Created by: FredaCreated on: 04-05-13 12:12 What are the elements of the modern periodic table put in order of? They are arranged in order of their atomic (proton) number 1 of 5 What are groups? Elements are arranged into vertical columns called groups. The group number determines how may electrons are on the outer shell of an element. 2 of 5 What are periods? Elements are arranged into rows called periods. The period number determines the number of shells an element has. 3 of 5 What's the name of the elements between Group 2 and Group 3? Transition elements/metals 4 of 5 Why was arranging the elements in order of atomic number beneficial? It was beneficial because this order allowed the elements to be in groups with elements that have similar properties. 5 of 5
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