Open QuestionFor metalloids on the periodic table, how do the group number and the period number relate?1299views
Open QuestionWhich of these properties is the best one to use for the identification of an element?1004views
Open QuestionWhich are elements that have the physical and chemical properties of both metals and nonmetals?896views
Open QuestionWhat types of atoms form cations? Where are they located on the periodic table?1193views