WebThe symbol ‘Xe’ is often employed to denote xenon. Under standard conditions, this element is known to exist as a mono atomic gas that is colourless and odourless. This p-block … WebOct 20, 2002 · period 6 - 32 elements Labeling and Naming: There are currently 3 numbering schemes used in chemistry for the ordering of groups. Roman - IA - VIIIA & IB-VIIIB Arabic - 1A-2A, 3B-8B, 1B-2B, 3A-8A Number - 1-18 Families: 1A - alkali metals 2A - alkaline earth metals 7A - halogens 8A - noble gases 4A - sometimes known as the Carbon group
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