Chapter 20 Chemical Bonds Vocabulary

Question 1

Binary Compound

Answer 1

One that is composed of two elements. pg. 615

Question 2

Chemical Bond

Answer 2

The force that holds atoms together in a compound.

pg. 606

Question 3

Chemical Formula

Answer 3

What elements a compound contains and the exact number of atoms of each element in a unit of that compound. pg. 603

Question 4

Covalent Bond

Answer 4

The attraction that forms between atoms when they share electrons. pg. 611

Question 5

Hydrate

Answer 5

A compound that has water chemically attached to its irons and written into its chemical formula. pg. 620

Question 6

Ion

Answer 6

A charged particle because it now has either more of fewer electrons than protons. pg. 608

Question 7

Ionic Bond

Answer 7

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

Question 8

Molecule

Answer 8

A neutral particle that forms as a result of electrons sharing. pg. 611

Question 9

Nonpolar Molecule

Answer 9

One in which electrons are shared equally in bonds.

pg. 614

Question 10

Oxidation Number

Answer 10

The relationship between an element’s position on the periodic table and the number of electrons it gains or loses. pg. 615

Question 11

Polar Molecule

Answer 11

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

Question 12

Polyatomic Ion

Answer 12

A positively or negatively charged, covalently bonded group of atoms. pg. 619