Multiple ChoiceGiven the following orbital diagram: 1s^2 2s^2 2p^5, which element does this represent, and how many valence electrons does it have?48views
Multiple ChoiceWhich of the following correctly states the number of valence electrons in ICl and describes the arrangement of electrons in its Lewis structure?47views
Multiple ChoiceWhich of the following elements has the same number of valence electrons as krypton (Kr)?39views
Multiple ChoiceWhich of the following is the correct number of valence electrons in the element gallium (Ga)?44views
Multiple ChoiceWhich of the following best describes the core electrons of a strontium (Sr) atom?43views
Multiple ChoiceWhat is the maximum number of electrons that can occupy the valence shell of a hydrogen atom?45views
Multiple ChoiceWhich of the following pairs of elements have the same number of valence electrons?36views
Multiple ChoiceLithium has an atomic number of 3. How many electrons are present in its outermost (valence) shell?76views
Multiple ChoiceHow many electrons are present in the n = 4 shell of a neutral calcium (Ca) atom?50views
Multiple ChoiceWhat is the name given to the electrons in the highest occupied energy level of an atom?61views