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Encyclopedia of Chemistry

Group 8 element

"Group 8" redirects here. For the Swedish organization, see Group 8 (Sweden).

Group	8
Period
4	26 Fe
5	44 Ru
6	76 Os
7	108 Hs

A Group 8 element is one in the series of elements in group 8 (IUPAC style) in the periodic table, which consists of the transition metals iron (Fe), ruthenium (Ru), osmium (Os) and hassium (Hs).

All of these elements are classed in Group 8 because their valence shells hold eight electrons. Hassium can only be produced in the laboratory and has not been found in nature.

Explanation of right side periodic table slice:

Transition metals

atomic number in black are solids

solid borders are older than the Earth (Primordial elements)

dotted borders are made artificially (Synthetic elements)

Categories: Periodic table | Chemical element groups

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Encyclopedia of Chemistry

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