CEM 141 Study Guide - Final Guide: Electronegativity, Atomic Number, Evaporative Cooler
Document Summary
Cohesion water molecules attraction to each other is considered ______;the tendency of the molecules of a substance to stick together; supports life. Matter anything with mass and volume; 2 types: elements and compounds. Mass number number of protons and neutrons in an atom; shown as superscript to left of the chemical symbol. Number of neutrons mass number - atomic number= _____ 2nd and 3rd energy levels (shells) contain 8 electrons. Depending on the relative electronegativities of the atoms involved, bonds will form due to either _______ or _________. Chemical reactions event in which bonds are made and/or broken; involves change in the form of energy. Equilibrium many reversible reactions will reach a state of _____; amount of reactants and products don"t change because the 2 types of reactions are happening at the same rate. Ions charged particles in an ionic interactions; ex: cations and anions.
