Which of the Following Statements Is Incorrect

question 51

Multiple Choice

Which of the following statements is incorrect?

• A)A p-block main-group element belonging to period n has a completely filled (n - 1)d subshell.
• B)All noble gases have completely filled shells.
• C)All s-block main-group elements have only one or two valence electrons.
• D)Carbon and silicon have the same number of valence electrons.
• E)All elements in the n = 4 period have a partially or completely filled n = 4 shell.

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