En 1913, Niels Bohr publie une version améliorée du modèle de Rutherford. Le travail de Bohr permet de formuler une nouvelle hypothèse concernant les électrons. Laquelle?

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

What is the molar mass of potassium nitrate, kno3

Five different substances are given to you to be dissolved in water. which substances are most likely to undergo dissolution in water? check all that apply. view available hint(s) check all that apply. sodium fluoride, naf octane, c8h18 propanol, ch3ch2ch2oh potassium iodide, ki benzene, c6h6