Li Be B C N O F
Na Mg Al Si P S Cl
reactive metals
reactive nonmetals
LiH BeH2
BH3
CH4
NH3
H2O HF
NaH MgH2
AlH3
SiH4
PH3
H2S HCl
Li Be B C N O F
Na Mg Al Si P S Cl
K Ca -- Ti V Cr Mn Fe, Co, Ni, Cu
(Cu) Zn -- -- As Se Br
reactive metals
reactive nonmetals miscellaneous
Li Be B C N O F
Na Mg Al Si P S Cl
K Ca -- Ti V Cr Mn Fe, Co, Ni, Cu
(Cu) Zn -- -- As Se Br
reactive metals
reactive nonmetals miscellaneous
NOT DISCOVERED YET
Li Be B C N O F
Na Mg Al Si P S Cl
K Ca Sc Ti V Cr Mn Fe, Co, Ni, Cu
(Cu) Zn Ga Ge As Se Br
reactive metals
reactive nonmetals miscellaneous
DISCOVERED AFTER 1869