HESI A2 CHEMISTRY Chemistry Note Cards for HESI ENTRANCE EXAM.

HESI A2 CHEMISTRY Chemistry Note Cards for HESI ENTRANCE EXAM. QUESTION 1. Matter that has a definite shape and volume Solid QUESTION 2 Matter that changes in volume with changes in temperature and pressure Gas QUESTION 3 A ____________ change of matter is when no change is made to the chemical composition of a substance. Physical QUESTION 4 Simplest of substances and is represented by a letter or letters Element QUESTION 5 Law that states that matter can neither be created nor destroyed during a chemical reaction Law of observation of mass QUESTION 6 The breakin of bonds and reforming of new bonds to create new chemical compounds with different chemical formulas with different chemical properties Chemical reaction QUESTION 7 5 main chemical reactions Synthesis Decomposition Combustion Single replacement Double replacement QUESTION 8 Chemical reaction in which 2 elements combine to form a product Synthesis QUESTION 9 Chemical reaction that is the breaking of a compound into component parts Decomposition QUESTION 10 The chemical reaction that is the reaction of a compound with oxygen Combustion QUESTION 11 Chemical reaction that consists of an active metal reaction with an ionic compound creating a new compound Single replacement QUESTION 12 Chemical reaction involving 2 ionic compounds; the reactant yields “switched prtners” Double replacement QUESTION 12 How elements are arranged in the periodic table By their chemical properties.