Sodium is found in many different minerals, of which the most common is ordinary salt (sodium chloride), which occurs in vast quantities dissolved in seawater.
sˈoʊdiəm ɪz fˈaʊnd ɪn mˈɛni dˈɪfɹənt mˈɪnɚɹəlz, ʌvwˈɪtʃ ðə mˈoʊst kˈɑːmən ɪz ˈɔːɹdɪnˌɛɹi sˈɔlt sˈoʊdiəm klˈoːɹaɪd, wˌɪtʃ əkˈɜːz ɪn vˈæst kwˈɔntᵻɾiz dɪsˈɑːlvd ɪn sˈiːwɔːɾɚ.