Multiple ChoiceWhich element has six valence electrons in each of its atoms in the ground state?31views
Multiple ChoiceHow many valence electrons occupy sigma-bond orbitals in a single covalent bond between two atoms?35views
Multiple ChoiceWhat is the maximum number of unpaired d electrons that an atom or ion can possess?48views
Multiple ChoiceWhich element has 2 valence electrons and is located in period 4 of the periodic table?24views
Multiple ChoiceHow many unpaired electrons are present in a sulfur (S) atom in its ground state?35views