Lon Capa HW #6 - Chem 101 2023

Lon Capa HW #6 - Chem 101 2023Which of the following represents the ground state electronic configuration for Pb²⁺ ? - correct answer [Xe] 6s²4f¹⁴5d¹⁰ Now enter the ground state electron configuration for As³⁻. (noble gas shorthand) - correct answer [ Ar ] 4s²3d¹⁰4p⁶ Enter the electron configuration for Po using noble gas shorthand notation. - correct answer [ Xe ] 6s²4f¹⁴5d¹⁰6p⁴ Which of the following correspond to an excited state? a) 1s²2s²3p¹ b) 1s²2s²2p⁶ c) 1s²2s²2p⁴3s¹ d) [Ar] 4s²3d⁵4p¹ - correct answer a) 1s²2s²3p¹ c) 1s²2s²2p⁴3s¹ d) [Ar] 4s²3d⁵4p¹ How many unpaired electrons are present in each of the above configurations as written? a) 1s²2s²3p¹ b) 1s²2s²2p⁶ c) 1s²2s²2p⁴3s¹ d) [Ar] 4s²3d⁵4p¹ - correct answer a) 1 b) 0 c) 3 d) 6 Write the ground state electron configuration where appropriate. For those that are already in the ground state, just re-enter that same configuration. a) 1s²2s²3p¹ b) 1s²2s²2p⁶ c) 1s²2s²2p⁴3s¹ d) [Ar] 4s²3d⁵4p¹ - correct answer a) 1s²2s²2p¹ b) 1s²2s²2p⁶ c) 1s²2s²2p⁵ d) [Ar] 4s²3d⁶ The electron configuration of 1s²2s²2p⁶3s²3p³4s¹3d² is an excited state electron configuration for P. - correct answer False If an element (abbreviated X) has a ground state electron configuration of [Ne]3s²3p⁴, then the formula of the compound that X forms with sodium is Na₂X. - correct answer True The ground state electron configuration for the undiscovered element 117 is [Rn]7s²5f¹⁴6d¹⁰7p². - correct answer False The element with a ground state electron configuration of [Ar]4s²3d¹⁰4p⁵ has 7 valence electrons. - correct answer True The expected ground state electron configuration for Pt is [Xe]6s²5d⁸. - correct answer False Order the following 5 atoms according to increasing size. Sb, I, In, Rb, Sr (smallest to largest) - correct answer I < Sb < In < Sr < Rb Order the following 5 atoms or ions according to increasing size.