MCQOPTIONS
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| 1. |
Which of the following statement is not correct for the element having electronic configuration \[1{{s}^{2}},2{{s}^{2}}{{p}^{6}},\,3{{s}^{1}}\] |
| A. | It is a monovalent electropositive |
| B. | It forms basic oxide |
| C. | It is a non-metal |
| D. | It has low electron affinity |
| Answer» D. It has low electron affinity | |