Chapter 20 Vocab

Question 1

p.615 one that is composed of two elements

Answer 1

binary compound

Question 2

p. 606 the force that holds atoms together

Answer 2

chemical bond

Question 3

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

Answer 3

chemical formula

Question 4

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

Answer 4

covalent bond

Question 5

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

Answer 5

hydrate

Question 6

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

Answer 6

ion

Question 7

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

Answer 7

ionic bond

Question 8

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

Answer 8

molecule

Question 9

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

Answer 9

nonpolar molecule

Question 10

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

Answer 10

oxidation number

Question 11

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

Answer 11

polar molecule

Question 12

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

Answer 12

polyatomic ion