Science
An element with atomic number …………… will form a basic oxide.
- 7 (2,5)
- 17 (2,8,7)
- 14 (2,8,4)
- 11 (2,8,1)
Chemical Bonding
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Answer
11 (2,8,1)
Reason — Metals form basic oxides with 1 to 3 electrons in their outermost shell, whereas non-metals form acidic oxides with 4 to 8 electrons in their outermost shell.
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