Chemistry C1 0.0 / 5 ? ChemistryThe Periodic TableGCSEAQA Created by: YasminJade99Created on: 13-05-16 14:49 An element has the electronic structure 2,8,4. Which group is it in? Group 4 1 of 6 Two elements have these electronic structures: 2,1 and 2,8,1. What can you say about the elements? They are both in Group 1. 2 of 6 What do the elements in a group have the same number of? The elements in a group have the same number of electrons in the highest occupied energy level or outer shell. 3 of 6 What do the elements in a period have the same number of? occupied energy levels or shells 4 of 6 When an element from group 1 reacts with water: The electronic structure of the noble gas helium is 2. 5 of 6 Why is sodium stored under oil? to keep it away from air and water 6 of 6
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