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Sagot :
Answer:
11
Explanation:
From the question given above, the following data were obtained:
Electronic configuration => 1s²2s²2p⁶3s¹
Number of electrons =?
We must understand that the electronic configuration of an element is written based the number of electrons present in the atom of the element.
To obtain the number of electrons in the atom given in the question above, we simply add up the electrons in each orbital. This can be obtained as follow:
Electronic configuration => 1s²2s²2p⁶3s¹
Number of electrons =?
Number of electrons = 2 + 2 + 6 + 1
Number of electrons = 11
Thus , the number of electrons in the atom is 11
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