Chemistry, 04.11.2020 19:00 JaylenGuidish

(see attachment) This element has 3 energy shells. The outer shell of this element was determined as illustrated here.

According to the Periodic Table of Elements, it must be:

Beryllium (Be)
Nitrogen (N)
Argon (Ar)
Oxygen (O)

(see attachment)

This element has 3 energy shells. The outer shell of this element was determined

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(see attachment) This element has 3 energy shells. The outer shell of this element was determined a...