free-fall atomic model

en-GB/ˈfɹiː - ˈfɔːl əˈtɒmɪk ˈmɒdəl/
en-US/ˈfɹi - ˈfɑl əˈtɑmɪk ˈmɑdəl/

Катэгорыі:

atom model