Linked from

The 174 pages that link to Atomic number, each with the reason it gives.

• UnhexseptiumNarrower topic: The value 167 defines which hypothetical element Unhexseptium names.

• UnoctquadiumNarrower topic: The value 184 defines which hypothetical element unoctquadium would be.

• UnpentbiumNarrower topic: The number 125 defines which hypothetical element Unpentbium would be.

• UnpentniliumNarrower topic: The value 150 supplies every numerical root in Unpentnilium.

• UnpentpentiumRelated: The hypothetical element’s defining number is 155.

• UnpenttriumNarrower topic: The value 153 determines both the proposed element's identity and its temporary name.

• UnquadbiumNarrower topic: The value 142 fixes unquadbium’s identity regardless of its isotopes or electron state.

• UnquadenniumNarrower topic: Unquadennium's defining property is the proposed atomic number 149.

• UnquadhexiumNarrower topic: Element 146 is specified by its proton count, not by a measured chemical property.

• UnquadniliumNarrower topic: Atomic number 140 is the defining identity behind unquadnilium.

• UnquadoctiumRelated: The numerical roots in unquadoctium encode the element’s atomic number, 148.

• UnquadseptiumNarrower topic: Element 147 is defined by a nucleus containing 147 protons.

• UnquadtriumNarrower topic: Element 143 would have 143 protons by definition.

• UnquaduniumNarrower topic: Unquadunium’s proposed identity is fixed by its atomic number, 141.

• UnseptbiumNarrower topic: The value 172 is the defining claim embedded in Unseptbium’s name.

• UnsepttriumNarrower topic: The number 173 specifies which hypothetical element the name denotes.

• UntribiumRelated: The number 123 determines both the element's identity and its systematic name.

• UntrihexiumRelated: Element 136 would have 136 protons by definition.

• UntrioctiumNarrower topic: Untrioctium’s proposed identity is fixed by its 138 protons.

• UntripentiumNarrower topic: Untripentium’s defining identifier is its proposed 135 protons.

• UntriquadiumNarrower topic: Element 134 is defined by having 134 protons.

• UntriseptiumNarrower topic: Element 137 would be defined by having 137 protons.

• UntritriumRelated: Its value of 113 supplied the numerical roots in ununtrium.

• UntriuniumNarrower topic: Untriunium’s proposed identity is fixed by its defining value: 131 protons.