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(A) Non-metals generally form acidic oxides. Non-metals typically have $4$ to $8$ electrons in their outermost shell.The electronic configurations of

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An element with atomic number $7$

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(A) Non-metals generally form acidic oxides. Non-metals typically have $4$ to $8$ electrons in their outermost shell.The electronic configurations of the given elements are:$(a)$ Atomic number $7$: $2, 5$ (Nitrogen)$(b)$ Atomic number $3$: $2, 1$ (Lithium)$(c)$ Atomic number $12$: $2, 8, 2$ (Magnesium)$(d)$ Atomic number $19$: $2, 8, 8, 1$ (Potassium)Since the element with atomic number $7$ is a non-metal,it forms an acidic oxide. The other three elements $(Li, Mg, K)$ are metals and form basic oxides.

Which of the following elements will form an acidic oxide?

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