Litium (Li) adalah logam alkali.

alkali Litium (Li), natrium (Na), kalium (K), rubidium (Rb), sesium (Cs), fransium (Fr).

Tanah alkali. Berilium (Be), magnesium (Mg), kalsium (Ca), strontium (Sr), barium (Ba) dan radium (Ra).

Logam transisi. Skandium (Sc), Titanium (Ti), Vanadium (V), Kromium (Cr), Mangan (Mn), Besi (Fe), Cobalt (Co), Nikel (Ni), Tembaga (Cu), Seng (Zn), itrium (Y), zirkonium (Zr), niobium (Nb), molibdenum (Mo), teknesium (Tc), rutenium (Ru), rhodium (Rh), paladium (Pd), perak (Ag), kadmium (Cd), lutetium (Lu), hafnium (Hf), tantalum (Ta), tungsten (W), renium (Re), osmium (Os), iridium (Ir), platinum (Pd), emas (Au), merkuri (Hg), lawrence (Lr), rutherfordium (Rf), dubnium (Db), seaborgium (Sg), bohrio (Bh), hasium (Hs), meitnerium (Mt), darmstadium (Ds), roentgenium (Rg), copernicium (Cn).

Tanah langka. Lantanum (La), Cerium (Ce), Praseodymium (Pr), Neodymium (Nd), Promethium (Pm), Samarium (Sm), Europium (Eu), Gadolinium (Gd), Terbium (Tb), Dysprosium (Dy), Holmium (Ho), Erbium (Er), Thulium (Tm), Iterbium (Yb), Lutetium (Lu).

Aktinida. Actinium (Ac), thorium (Th), protactinium (Pa), uranium (U), neptunium (Np), plutonium (Pu), amerisium (Am), curium (Cm), berkelium (Bk), californium (Cf), einsteinium (Es), fermium (Fm), mendelevium (Md), nobelium (No), lawrencio (Lr).

Transaktinida. Rutherfordium (Rf), Dubnium (Db), Seaborgium (Sg), Bohrio (Bh), Hassium (Hs), Meitnerium (Mt), Darmstadium (Ds), Roentgenium (Rg), Copernicium (Cn), Nihonium (Nh), flerovio (Fl), moscovio (Mc), livermorio (Lv), teneso (Ts).