Scelta multiplaA neutral atom has the following electron configuration: 1s^2 2s^2 2p^6 3s^2 3p^5. Which element is this atom?132views
Scelta multiplaWhich of the following is the correct electron configuration for the Y^{3+} ion?127views
Scelta multiplaWhich of the following is the correct electron configuration for boron (atomic number 5)?138views
Scelta multiplaWhich of the following represents the correct electron configuration for a neutral oxygen atom?120views
Scelta multiplaWhich of the following is the correct electron configuration for a neutral bromine (Br) atom?144views
Scelta multiplaWhich of the following is the correct ground-state electron configuration for molybdenum (Mo)?199views
Scelta multiplaHow many electrons are present in a neutral atom of vanadium (atomic number 23)?187views
Scelta multiplaWhich of the following represents the electron configuration of an oxygen atom in the ground state?150views
Scelta multiplaWhich of the following represents the ground state electron configuration for the element neodymium (Nd, atomic number 60)?148views
Scelta multiplaWhich of the following is the correct electron configuration for antimony (Sb)?131views
Scelta multiplaWhich of the following is the correct electron configuration for phosphorus (atomic number 15) using core notation?151views