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1. |
Upon reaction of O₂ with metals of Period 3 elements, ionic bonds are formed if the |
A. | electronegativity of Period 3 elements is more then 0.5 |
B. | electronegativity of Period 3 elements is above 3.5 |
C. | electronegativity of Period 3 elements is lower than 1.7 |
D. | higher the difference in electronegativity of O₂ and Period 3 elements. |
Answer» E. | |