Oxi hóa hoàn toàn m gam hỗn hợp cùng số mol Cu vad Al thu được 13,1gam hỗn hợp oxit. Giá trị của m là

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space