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Name:  a) three elements that have a s...

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 

Text Solution

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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 and Argon (Ar) and Xenon (Xe) have filled outermost shells.
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