Part A A friend tells you that her favorite element has an electron configuration of [noble gas]$6s^14f^{14}5d^9$. Which element is it?
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Step 1: The electron configuration given is [noble gas] 6s^24f^145d^9. Show more…
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8) Name the elements that would have the following ground-state electron configurations: 9) Write the ground-state electron configurations for each of the following elements: A. Lithium B. Nitrogen C. Magnesium D. Manganese E. Silver 10) Write the ground state electron configuration for each of the following. Use noble-gas core notation. a) Argon b) carbon c) iron d) germanium e) lead 11) What is the predicted noble gas core configuration of gadolinium (Gd)? 12) To which electron configuration block do each the following groups of elements belong? noble gases: alkali metals: transition metals: halogens: 13) Now write abbreviated electron configurations using noble gas notation [ ] plus partially filled outer subshells. i.e. iron: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6; abbreviated as [Ar] 4s^2 3d^6
Adi S.
(1) What is the element with an electron configuration of 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^2? (2) What is the element with an electron configuration of 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^3? (3) The element with an electron configuration of 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^7 is in group _____? and period _____? (4) The element with an electron configuration of 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 is in group _____? and period _____?
Which outer electron configurations would you expect to correspond to a noble gas? To a metalloid? $$\text { a. } n s^{2} \quad \text { b. } n s^{2} n p^{6} \quad \text { c. } n s^{2} n p^{5} \quad \text { d. } n s^{2} n p^{2}$$
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