MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
In the Modern Periodic Table, elements are arranged in ________. |
| A. | Decreasing order of their atomic mass number |
| B. | Increasing order of their atomic mass number |
| C. | Increasing order of their atomic number |
| D. | Decreasing order of their atomic number |
| Answer» D. Decreasing order of their atomic number | |