# Inglês
## Substantivo

hy.dro.ge.ni.um
* (Elemento químico) (obsoleto) hidrogênio (especialmente quando considerado um metal)

### Sinônimos

* hydrogen

## Ver também
### No Wikcionário

* Apêndice:Tabela periódica
| $_1$ H | | | | | | | | | | | | | | | | | $_2$ He |
| $_3$ Li | $_4$ Be | | | | | | | | | | | $_5$ B | $_6$ C | $_7$ N | $_8$ O | $_9$ F | $_{10}$ Ne |
| $_{11}$ Na | $_{12}$ Mg | | | | | | | | | | | $_{13}$ Al | $_{14}$ Si | $_{15}$ P | $_{16}$ S | $_{17}$ Cl | $_{18}$ Ar |
| $_{19}$ K | $_{20}$ Ca | $_{21}$ Sc | $_{22}$ Ti | $_{23}$ V | $_{24}$ Cr | $_{25}$ Mn | $_{26}$ Fe | $_{27}$ Co | $_{28}$ Ni | $_{29}$ Cu | $_{30}$ Zn | $_{31}$ Ga | $_{32}$ Ge | $_{33}$ As | $_{34}$ Se | $_{35}$ Br | $_{36}$ Kr |
| $_{37}$ Rb | $_{38}$ Sr | $_{39}$ Y | $_{40}$ Zr | $_{41}$ Nb | $_{42}$ Mo | $_{43}$ Tc | $_{44}$ Ru | $_{45}$ Rh | $_{46}$ Pd | $_{47}$ Ag | $_{48}$ Cd | $_{49}$ In | $_{50}$ Sn | $_{51}$ Sb | $_{52}$ Te | $_{53}$ I | $_{54}$ Xe |
| $_{55}$ Cs | $_{56}$ Ba | * | $_{72}$ Hf | $_{73}$ Ta | $_{74}$ W | $_{75}$ Re | $_{76}$ Os | $_{77}$ Ir | $_{78}$ Pt | $_{79}$ Au | $_{80}$ Hg | $_{81}$ Tl | $_{82}$ Pb | $_{83}$ Bi | $_{84}$ Po | $_{85}$ At | $_{86}$ Rn |
| $_{87}$ Fr | $_{88}$ Ra | ** | $_{104}$ Rf | $_{105}$ Db | $_{106}$ Sg | $_{107}$ Bh | $_{108}$ Hs | $_{109}$ Mt | $_{110}$ Ds | $_{111}$ Rg | $_{112}$ Cn | $_{113}$ Nh | $_{114}$ Fl | $_{115}$ Mc | $_{116}$ Lv | $_{117}$ Ts | $_{118}$ Og |
| * | * | $_{57}$ La | $_{58}$ Ce | $_{59}$ Pr | $_{60}$ Nd | $_{61}$ Pm | $_{62}$ Sm | $_{63}$ Eu | $_{64}$ Gd | $_{65}$ Tb | $_{66}$ Dy | $_{67}$ Ho | $_{68}$ Er | $_{69}$ Tm | $_{70}$ Yb | $_{71}$ Lu |
| ** | ** | $_{89}$ Ac | $_{90}$ Th | $_{91}$ Pa | $_{92}$ U | $_{93}$ Np | $_{94}$ Pu | $_{95}$ Am | $_{96}$ Cm | $_{97}$ Bk | $_{98}$ Cf | $_{99}$ Es | $_{100}$ Fm | $_{101}$ Md | $_{102}$ No | $_{103}$ Lr |

# Latim

H :
* He →

## Substantivo

hy.dro.ge.nium
* (Elemento químico) hidrogénio/hidrogênio

## Ver também
### No Wikcionário

* Apêndice:Tabela periódica
| $_1$ H | | | | | | | | | | | | | | | | | $_2$ He |
| $_3$ Li | $_4$ Be | | | | | | | | | | | $_5$ B | $_6$ C | $_7$ N | $_8$ O | $_9$ F | $_{10}$ Ne |
| $_{11}$ Na | $_{12}$ Mg | | | | | | | | | | | $_{13}$ Al | $_{14}$ Si | $_{15}$ P | $_{16}$ S | $_{17}$ Cl | $_{18}$ Ar |
| $_{19}$ K | $_{20}$ Ca | $_{21}$ Sc | $_{22}$ Ti | $_{23}$ V | $_{24}$ Cr | $_{25}$ Mn | $_{26}$ Fe | $_{27}$ Co | $_{28}$ Ni | $_{29}$ Cu | $_{30}$ Zn | $_{31}$ Ga | $_{32}$ Ge | $_{33}$ As | $_{34}$ Se | $_{35}$ Br | $_{36}$ Kr |
| $_{37}$ Rb | $_{38}$ Sr | $_{39}$ Y | $_{40}$ Zr | $_{41}$ Nb | $_{42}$ Mo | $_{43}$ Tc | $_{44}$ Ru | $_{45}$ Rh | $_{46}$ Pd | $_{47}$ Ag | $_{48}$ Cd | $_{49}$ In | $_{50}$ Sn | $_{51}$ Sb | $_{52}$ Te | $_{53}$ I | $_{54}$ Xe |
| $_{55}$ Cs | $_{56}$ Ba | * | $_{72}$ Hf | $_{73}$ Ta | $_{74}$ W | $_{75}$ Re | $_{76}$ Os | $_{77}$ Ir | $_{78}$ Pt | $_{79}$ Au | $_{80}$ Hg | $_{81}$ Tl | $_{82}$ Pb | $_{83}$ Bi | $_{84}$ Po | $_{85}$ At | $_{86}$ Rn |
| $_{87}$ Fr | $_{88}$ Ra | ** | $_{104}$ Rf | $_{105}$ Db | $_{106}$ Sg | $_{107}$ Bh | $_{108}$ Hs | $_{109}$ Mt | $_{110}$ Ds | $_{111}$ Rg | $_{112}$ Cn | $_{113}$ Nh | $_{114}$ Fl | $_{115}$ Mc | $_{116}$ Lv | $_{117}$ Ts | $_{118}$ Og |
| * | * | $_{57}$ La | $_{58}$ Ce | $_{59}$ Pr | $_{60}$ Nd | $_{61}$ Pm | $_{62}$ Sm | $_{63}$ Eu | $_{64}$ Gd | $_{65}$ Tb | $_{66}$ Dy | $_{67}$ Ho | $_{68}$ Er | $_{69}$ Tm | $_{70}$ Yb | $_{71}$ Lu |
| ** | ** | $_{89}$ Ac | $_{90}$ Th | $_{91}$ Pa | $_{92}$ U | $_{93}$ Np | $_{94}$ Pu | $_{95}$ Am | $_{96}$ Cm | $_{97}$ Bk | $_{98}$ Cf | $_{99}$ Es | $_{100}$ Fm | $_{101}$ Md | $_{102}$ No | $_{103}$ Lr |