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Name:

(a) Three elements that have a single electron in their outermost shells.

(b) Two elements that have two electrons in their outermost shells.

(c) Three elements with filled outermost shells.

 

Asked by Topperlearning User 28th May 2014, 8:29 AM
Answered by Expert
Answer:

(a) Lithium (Li), sodium (Na), and potassium (K) have a single electron in their outermost shells. 

(b) Magnesium (Mg) and calcium (Ca) have two electrons in their outermost shells. 

(c) Neon (Ne), argon (Ar) and xenon (Xe) have filled outermost shells.  

 

Answered by Expert 28th May 2014, 10:29 AM
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