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Group 4 Element A Group 4 element is an element in periodic table group 4 (IUPAC style) in the periodic table, which consists of: All of these elements are classed in Group 4 because their valence shell holds four electrons. Rutherfordium can only be produced in the laboratory and has not been found in nature. Color coding for these atomic numbers: At room temperature, all are solid; red indicates item is synthetic and does not occur naturally. Group 04
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