HESI A2 Review of Chemistry for Nursing School Entrance Exam | Latest 2023/24 | Updated & Verified | Guaranteed Success

Mixture with uniform density throughout and no distinguishable coponents. - Homogeneous Mixture Mixture in which the components are readily distinguished. - Heterogeneous Mixture A change in which the checmical composition of a substance remains the same. - Physical Change A change in which the chemical bonds are broken and reformed to create a new and different substance. - Chemical Change The simplest of substances and is represented by a specific letter or combinations of letters. - Element Combinations of eleements in whole number ratios. - Compounds Mass cannot be created or destroyed during a chemical reaction. - Law of Conservation of Mass The breaking of bonds and the reforming of new bonds to create new chemical compounds with different chemical forumulas and different chemical properties. - Chemical Reaction syntehesis, decomposition, combusion, single replacement, double replacement - Five main types of chemical reactions.