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A portion of the periodic table is shown below: A portion of the fifteenth and sixteenth columns of the periodic table is shown. Column 15 from reads seven nitrogen 14.007 and 15 phosphorus 30.974. Column 16 reads eight oxygen 15.999 and 16 sulfur 32.065. Which element has the electron configuration 1s22s22p4? Nitrogen (N) Oxygen (O) Phosphorus (P) Sulfur (S)

Respuesta :

Here we have to choose the element which has 1sĀ²2sĀ²2pā“ electronic configuration.

oxygen has the electronic configuration 1sĀ²2sĀ²2pā“

The electronic configuration of the given elements are shown below:

nitrogen (N): 1sĀ²2sĀ²2pĀ³

oxygen (O): 1sĀ²2sĀ²2pā“

phosphorous (P): 1sĀ²2sĀ²2pā¶3sĀ²3pĀ³

Sulfur (S): 1sĀ²2sĀ²2pā¶3sĀ²3pā“

Thus oxygen has the electronic configuration 1sĀ²2sĀ²2pā“

Answer:

O

Explanation:

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