Chapter 5 Vocabulary

The Structure of Matter

 

Amino Acid Ð Any one of 20 different organic molecules tht contain a carboxyl group and that combine to form proteins

 

Bond length Ð The average distance between the nuclei of two bonded atoms

 

Bond Angle Ð the angle formed by two bonds to the same atom.

 

Carbohydrate Ð any organic compound that is made of carbon, hydrogen, and oxygen and provides nutrients to cells of living things.

 

Chemical bond Ð The attractive force that holds atoms or ions together

 

Chemical structure Ð The arrangement of atoms in a substance

 

Covalent bond Ð a bond formed when atoms share one or more pairs of electrons

 

Empirical formula Ð the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio.

 

Ionic bond Ð A bond formed by the attraction between oppositely charged ions

 

Metallic bond -  a bond formed by the attraction between positively charged metal and the electrons around them.

 

Molecular formula Ð a chemical formula that slows the number and kind of atoms in a molecule, but not the arrangement of the atoms

 

Organic compound Ð A covalent bonded compound that contains carbon, excluding carbonates and oxides

 

Polyatomic Ion Ð An ion made up of two or more atoms

 

Polymer Ð a large molecule that is formed by more than five monomers or small units

 

Protein- an organic compound that is made of amino acids and is the principal component of all cells