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4 years ago

Which element has the electron configuration 1s22s22p63s23p3? A. Scandium B. Arsenic C. Phosphorus D. Krypton

Chemistry

2 answers:

vodomira [7]4 years ago

7 0

<u>Answer:</u> The correct answer is Option C.

<u>Explanation:</u>

Electronic configuration represents the total number of electrons that a neutral element contains. We add all the superscripts to know the number of electrons in an atom.

We are given an electronic configuration: $1s^22s^22p^63s^23p^3$

Total number of electrons = 15

The element which has 15 electrons in its ground state is phosphorus.

Thus, the correct answer is Option C.

luda_lava [24]4 years ago

6 0

Phosphorus contains 15 electrons hence the electronic configuration given is of phosphorus.Option C is correct.

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We'll begin by writing out the data obtained from the question. This includes the following:

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With the application of the dilution formula, the molarity of the diluted solution can be obtained as follow:

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