Atomic Bonding Flashcards
valence electrons
the electrons that are in the highest energy level of an atom and that are involved in chemical bonds
chemical bond
the force that holds atoms together
ion
an atom or group of atoms
ionic bond
the attraction between oppositely charged ions
chemical formula
a combination of symbols that represents the elements in a compound and their properties
covalent bond
a chemical bond formed when two atoms share electrons
molecule
a neutral particle made of two or atoms joined by covalent bonds
polar bond
a covalent bond in which electrons are shared unequally
nonpolar bond
a covalent bond in which electrons are shared equally
alloy
a mixture of two or more elements, one of which is a metal
metallic bond
an attraction between a positive metal ion and the electrons surrounding it
subscript
a number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound
