Science, asked by Premsingh99, 1 day ago

write the electronic configuration of the following atoms
Be (z=4)

Answers

Answered by gayathrisree2008

1

Answer:

Beryllium is the fourth element with a total of 4 electrons. In writing the electron configuration for beryllium the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the remaining 2 electrons for Be go in the 2s orbital. Therefore the Be electron configuration will be 1s22s2.

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