Multiple ChoiceWhich of the following is the correct electron configuration for an oxygen atom?126views
Multiple ChoiceGiven the electron configuration 1s^2 2s^2 2p^3, how many unpaired electrons are present in this atom?163views
Multiple ChoiceWhich of the following represents the correct ground-state electron configuration for silicon (Si)?122views
Multiple ChoiceWhich of the following represents the correct orbital diagram for a neutral germanium (Ge) atom?133views
Multiple ChoiceWhich of the following is the correct electron configuration for antimony (Sb)?125views
Multiple ChoiceWhich of the following is the correct electron configuration for the element boron (B)?131views
Multiple ChoiceWhich of the following best explains how electrons gain energy to move to higher energy levels in the electron cloud?126views
Multiple ChoiceIn the third energy level (n = 3), how many electrons can occupy the 3d subshell?162views
Multiple ChoiceGiven the following orbital diagram, which element does it represent? 1s: ↑↓ 2s: ↑↓ 2p: ↑↓ ↑↓ ↑↓ 3s: ↑↓ 3p: ↑↓ ↑↓ ↑↓ 4s: ↑↓ 3d: ↑↓ ↑↓ ↑↓ ↑↓ ↑↓ Choose the correct element.151views
Multiple ChoiceWhich of the following is the correct electron configuration for a neutral oxygen atom?162views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of scandium (atomic number 21)?146views
Multiple ChoiceWhich of the following is the correct electron configuration for krypton (Kr)?130views
Multiple ChoiceWhich one of the following species has the electron configuration 1s^2 2s^2 2p^6?127views