Statement A : The elements like H, Li try to get two electrons in their outermost shell. [ 1 statement B: The elements like Na, Cl try to get eight electrons in their outermost shell. Latement C: According to Lewis theory the number of dots around the symbol represents the number of valence electrons.
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Statement A : The elements like H, Li try to get two electrons in their outermost shell.
This is called "DUPLET RULE OR RULE OF TWO"
Statement B: The elements like Na, Cl try to get eight electrons in their outermost shell.
This is "OCTET RULE OR RULE OF EIGHT"
Statement C: According to Lewis theory the number of dots around the symbol represents the number of valence electrons.
Only the electrons in the valence level are shown using this notation. For example, the Lewis symbol of carbon depicts a “C' surrounded by 4 valence electrons because carbon has an electron configuration of 1s22s22p2. The Lewis symbol for carbon: Each of the four valence electrons is represented as a dot.
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