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+.Dd $Mdocdate: April 2 2022 $
+.Dt elements 7
+.Os
+.Sh NAME
+.Nm elements
+.Nd Periodic Table of the Elements
+.Sh TABLE
+.TS
+allbox:tab(:);
+c:c:c:c:c:c:c:c.
+Group:1:2:3:4:5:6:7
+1:₁H:₃Li:₁₁Na:₁₉K:₃₇Rb:₅₅Cs:₈₇Fr
+2::₄Be:₁₂Mg:₂₀Ca:₃₈Sr:₅₆Ba:₈₈Ra
+3::::₂₁Sc:₃₉Y:₅₇La:₈₉Ac
+=::::::₅₈Ce:₉₀Th
+=::::::₅₉Pr:₉₁Pa
+=::::::₆₀Nd:₉₂U
+=::::::₆₁Pm:₉₃Np
+=::::::₆₂Sm:₉₄Pu
+=::::::₆₃Eu:₉₅Am
+=::::::₆₄Gd:₉₆Cm
+=::::::₆₅Tb:₉₇Bk
+=::::::₆₆Dy:₉₈Cf
+=::::::₆₇Ho:₉₉Es
+=::::::₆₈Er:₁₀₀Fm
+=::::::₆₉Tm:₁₀₁Md
+=::::::₇₀Yb:₁₀₂No
+=::::::₇₁Lu:₁₀₃Lr
+4::::₂₂Ti:₄₀Zr:₇₂Hf:₁₀₄Rf
+5::::₂₃V:₄₁Nb:₇₃Ta:₁₀₅Db
+6::::₂₄Cr:₄₂Mo:₇₄W:₁₀₆Sg
+7::::₂₅Mn:₄₃Tc:₇₅Re:₁₀₇Bh
+8::::₂₆Fe:₄₄Ru:₇₆Os:₁₀₈Hs
+9::::₂₇Co:₄₅Rh:₇₇Ir:₁₀₉Mt
+10::::₂₈Ni:₄₆Pd:₇₈Pt:₁₁₀Ds
+11::::₂₉Cu:₄₇Ag:₇₉Au:₁₁₁Rg
+12::::₃₀Zn:₄₈Cd:₈₀Hg:₁₁₂Cn
+13::₅B:₁₃Al:₃₁Ga:₄₉In:₈₁Tl:₁₁₃Nh
+14::₆C:₁₄Si:₃₂Ge:₅₀Sn:₈₂Pb:₁₁₄Fl
+15::₇N:₁₅P:₃₃As:₅₁Sb:₈₃Bi:₁₁₅Mc
+16::₈O:₁₆S:₃₄Se:₅₂Te:₈₄Po:₁₁₆Lv
+17::₉F:₁₇Cl:₃₅Br:₅₃I:₈₅At:₁₁₇Ts
+18:₂He:₁₀Ne:₁₈Ar:₃₆Kr:₅₄Xe:₈₆Rn:₁₁₈Og
+.TE
+.Sh INFO
+This file is public domain. Manual page version 1.0.
+
+This periodic table is rotated sideways because the standard terminal
+is too narrow.