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    Bunnyrabbit2310 Posts: 93, Reputation: 3
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    Oct 26, 2011, 03:53 PM
    Which of the following classifications describes the element with the electron config
    With the electron configuration [ar]4s^2 3d^10 4p^5?
    A. Stable metal
    B. Stable nonmetal
    C. Unstable nonmetal
    D. Unstable metal
    What is the electron configuration of the element in group 14 and period 4 of the periodic table?
    A. [ne]3s^2 3p^4
    B. [ar]4s^2
    C. [ar] 4s^2 3d^10 4p^2
    D. [kr] 5s^2 4d^2
    Can you explain how you figure this out because I have no idea

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