CBSE Class 10 Answered
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 | 28 May, 2014, 08:29: AM
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 | 28 May, 2014, 10:29: AM
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