Multiple ChoiceWhich of the following is the correct electron configuration for an oxygen atom?106views
Multiple ChoiceGiven the electron configuration 1s^2 2s^2 2p^3, how many unpaired electrons are present in this atom?138views
Multiple ChoiceWhich of the following represents the correct ground-state electron configuration for silicon (Si)?95views
Multiple ChoiceWhich of the following represents the correct orbital diagram for a neutral germanium (Ge) atom?113views
Multiple ChoiceWhich of the following is the correct electron configuration for antimony (Sb)?104views
Multiple ChoiceWhich of the following is the correct electron configuration for the element boron (B)?108views
Multiple ChoiceWhich of the following best explains how electrons gain energy to move to higher energy levels in the electron cloud?109views
Multiple ChoiceIn the third energy level (n = 3), how many electrons can occupy the 3d subshell?137views
Multiple ChoiceGiven the following orbital diagram, which element does it represent? 1s: ↑↓ 2s: ↑↓ 2p: ↑↓ ↑↓ ↑↓ 3s: ↑↓ 3p: ↑↓ ↑↓ ↑↓ 4s: ↑↓ 3d: ↑↓ ↑↓ ↑↓ ↑↓ ↑↓ Choose the correct element.129views
Multiple ChoiceWhich of the following is the correct electron configuration for a neutral oxygen atom?143views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of scandium (atomic number 21)?121views
Multiple ChoiceWhich of the following is the correct electron configuration for krypton (Kr)?111views
Multiple ChoiceWhich one of the following species has the electron configuration 1s^2 2s^2 2p^6?111views