Mod 8 test Please help

1. - - -- ----. is the study of manipulating matter on the atomic and molecular scale that results in dramatic property changes. 2. Energy released by the sun results from the process where atomic nuclei a . none of these b. combine c. break apart d. both of these 3. When radium (Z = 88) emits an alpha particle, the resulting nucleus has atomic number a. 90 b . 88 C . 86 d. none of these e. 92 4. Compared to a clock in a stationary reference frame, a clock in a moving reference Frame a . runs faster b. runs at the same speed c. runs slower 5. When a gamma ray is emitted by a nucleus, the nucleus then has less a . energy b. both c. neither d. charge 6. A nucleon is either a. a proton or an electron b. a proton or a neutron c. a neutron or an electron d. a positron or an electron 7. According to Einstein's theory of special relativity, a. space and time are aspects of each other b. both of these c. none of these d. energy and mass are aspects of each other 8. When a nucleus emits a beta particle, its atomic number a. changes, and so does its mass number b. changes, but its mass number remains constant c. none of these d. remains constant, and so does its mass number e. remains constant, but its mass number changes