MCQOPTIONS
Saved Bookmarks
| 1. |
What is common among Lithium, Sodium and Potassium? |
| A. | These have one electron in their outermost shell |
| B. | There are alkaline earth metals |
| C. | These cannot form oxides |
| D. | These are inert elements |
| Answer» B. There are alkaline earth metals | |