Nixon Chapter 20


Terms in this set (...)

A charged atom
ionic bond
Formed when one or more electrons are transferred from one atom to another
A group of atoms held together by covalent bonds.
covalent bond
A chemical bond that involves sharing a pair of electrons between atoms in a molecule
metallic bond
Bond created between two metals in which electrons are shared equally
valence electrons
number of electrons on the outermost energy level
polyatomic ion
A charged group of covalently bonded atoms
oxidation number (valence number)
the number of electrons an atom will gain, lose or share
chemical bond
force that holds atoms together
Chemical formula
chemical shorthand that uses symbols to tell what elements are in a compound and their ratios.
polar molecule
molecule with a slightly positive end and a slightly negative end as a result of electrons being shared unequally.
nonpolar molecule
molecule that shares electrons equally and does not have oppositely charged ends.
binary compound
compound that is composed of two elements
compound that has water chemically attached to its ions and written into it chemical formula