Despite its chemical similarity, lithium typically does not occur together with sodium or potassium due to its smaller size.
dᵻspˈaɪt ɪts kˈɛmɪkəl sˌɪmɪlˈæɹᵻɾi, lˈɪθiəm tˈɪpɪkli dʌznˌɑːt əkˈɜː təɡˌɛðɚ wɪð sˈoʊdiəm ɔːɹ pətˈæsiəm dˈuː tʊ ɪts smˈɔːlɚ sˈaɪz.