An isotope undergoes radioactive decay by emitting radiation that has no mass. what other characteristic does the radiation have?
a. some shielding required
b. positive or negative charge
c. low penetrating power
d. no charge

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