| 1. | In the mass spectrum, a compound with two bromine atoms will have: |
| A. | two molecular ions, in the ratio 1:1 |
| B. | four molecular ions, in the ratio 1:1:1:1 |
| C. | two molecular ions, in the ratio 2:1 |
| D. | four molecular ions, in the ratio 1:2:2:1 |
| E. | three molecular ions, in the ratio 1:2:1 |