why does beryillium have same no. of electrons in both the shells?
Answers
Answered by
0
Answer:
atomic number is 4
Explanation:
in first shell only s orbital exist so it can have 2 electrons. the other two go to next shell.
Answered by
0
Answer:
because it is duplet .
Explanation:
at. no. of Be is 4. its electronic configuration is 1s2 2s2.
its s shell orbits
are complete
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