Asked by mysterychicken

40. An element has the configuration [He]2s^2.
a. Which element is it?- Beryllium
b. Is it metal or nonmetal?- metal
c. How many valence (or outer shell) electrons does it have?- 2 valence electrons.

Is this correct?
Thanks
-MC

Answers

Answered by bobpursley
Yes, yes, yes.

go to the head of the class.
Answered by mysterychicken
:D
-MC
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