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erastova [34]
3 years ago
15

What is the electron configuration for a neutral atom of selenium? For a neutral atom of beryllium?

Chemistry
1 answer:
Anni [7]3 years ago
7 0
Se
1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^4
<span><span><span>Be
1s^2 2s^2

</span></span></span>
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