Write the Lewis dot symbols of the reactants and products in the following reactions. (First balance the equations.) (a) Sr 1 Se SrSe (b) Ca 1 H2 CaH2 (c) Li 1 N2 Li3N (d) Al 1 S Al2S3
Chapter 2: Basic Chemistry and Biochemistry-Part 1 by Mehrnaz Ighani . Chemistry: the basis of all physiological reactions such as movement, digestion, metabolism, and etc. . Chemistry has 2 subdivisions: 1. Basic chemistry 2. Biochemistry . Matter: any object that has mass and occupies space Weight is mass+ the force of gravity . 3 states of matter: 1. Solid: defined shape...