Be
Beryllium, Alkaline earth metals
Mg
Magnesium, Alkaline earth metals
Ca
Calcium, Alkaline earth metals
Li
Lithium, Alkali metals
Na
Sodium, Alkali metals
K
Potassium, Alkali metals
Rb
Rubidium, Alkali metals
Sc
Scandium, Transition metals
Ti
Titanium, Transition metals
Cr
Chromium, Transition metals
Mn
Manganese, Transition metals
Fe
Iron, Transition metals
Co
Cobalt, Transition metals
Ni
Nickel, Transition metals
Zn
Zinc, Transition metals
Ra
Radium, Alkaline earth metals
Ba
Barium, Alkaline earth metals
B
Boron, Metalloids
Al
Aluminum, Post-transition metals
Ga
Gallium, Post-transition metals
C
Carbon, Other nonmetals
Si
Silicon, Metalloids
N
Nitrogen, Other nonmetals
P
Phosphorus, other nonmetals