Chapter 20 Vocab

p.615 one that is composed of two elements

p. 606 the force that holds atoms together

p.603 tells what elements a compound contains and the exact number of the atoms of each element in a unit of that compound

p.611 the attraction that forms between atoms when they share a bond

p.620 a compound that has water chemically attached to its ions and written into its chemical formula

p.608 a charged particle because it now has either more or fewer electrons than protons

p.610 the force of attraction between opposite charges of the ions in an ionic compound

p.611 a neutral particle that forms as a result of electron sharing

p.614 one in which electrons are shared equally in bonds

p.615 tells you how many electrons elements have gained, lost, or shared to become stable

p.614 one that has a slightly positive end and a slightly negative end although the overall molecule is neutral

p.619 a positively or negative charged, covalently bonded group of atoms