How Many Elements In Periodic Table 2024 List. There are only 18 groups in the periodic table that constitute the columns of the table. This includes groups 13 to 18, containing a wide range of metallic,.


How Many Elements In Periodic Table 2024 List

The first chemical element is actinium and the last is zirconium. Here’s a list of the 15 elements that are lanthanides, which run from atomic number 57 (lanthanum, or ln) and 71 (lutetium, or lu):

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