KRILLIONIO GAME

Science

Name an element with atomic number 21 to 30.

Both endpoints count. Names or symbols accepted.

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Start with the full category, then apply the exact boundary: Both endpoints count. Names or symbols accepted. You only need one qualifying answer. A longer name is not automatically rarer.

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CobaltCobalt (Co) has atomic number 27 on the IUPAC periodic table.
83

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ScandiumScandium (Sc) has atomic number 21 on the IUPAC periodic table.Aliases: Sc
96
VanadiumVanadium (V) has atomic number 23 on the IUPAC periodic table.Aliases: V
94
ManganeseManganese (Mn) has atomic number 25 on the IUPAC periodic table.Aliases: Mn
89
CobaltCobalt (Co) has atomic number 27 on the IUPAC periodic table.Aliases: Co
83
ChromiumChromium (Cr) has atomic number 24 on the IUPAC periodic table.Aliases: Cr
77
NickelNickel (Ni) has atomic number 28 on the IUPAC periodic table.Aliases: Ni
64
TitaniumTitanium (Ti) has atomic number 22 on the IUPAC periodic table.Aliases: Ti
59
ZincZinc (Zn) has atomic number 30 on the IUPAC periodic table.Aliases: Zn
57
CopperCopper (Cu) has atomic number 29 on the IUPAC periodic table.Aliases: Cu
25
IronIron (Fe) has atomic number 26 on the IUPAC periodic table.Aliases: Fe
20

Why these answers qualify

Each entry belongs to the bounded set defined by the prompt. The named source supports the underlying facts; our editorial scoring is a separate layer.

Source: IUPAC · Periodic table

Reference version: 2026-09-13. See our answer policy for how we handle aliases and omissions.

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