Multiple choice chemistry stoichiometry matter: states, classification and properties look, learn and experience study of matter The symbol of $Na$ represents the element: nitrogen nickel sodium potassium Reveal answer Fill a bubble to check yourself C Correct answer Explanation $Na$ represents the symbol of sodium.Sodium is a chemical element with atomic number 11. It is a soft, silvery-white, highly reactive metal.
Multiple choice chemistry stoichiometry matter: states, classification and properties look, learn and experience study of matter Classification means ____ of things. dividing grouping removal none of these Reveal answer Fill a bubble to check yourself B Correct answer Explanation Classification of things means a grouping of things with similar properties together.