Uranium - what is u in periodic table, one hundred eighteen - how many element are in periodic table, Magnesium - what is MG in periodic table, lithium - what is LI in periodic table, alkali metals, alkaline earth metals, transition metals, post-transition metals, metalloids, halogens, noble metals, and noble gases - what are the groups that is in periodic?, The table is arranged into columns and rows. The vertical columns are called 'groups' and the horizontal rows are called 'periods'. Elements that show up in the same groups (columns) have similar properties. - what is periodic table, atoms - All matter is made of, a nucleus - What is at the center of every atom?,

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