Ionic Bonds

Valence electrons are involved in bonding. Why do Atoms Bond? To become stable. V = ____ Valence electrons are involved in bonding.

Atoms gain or lose electrons to achieve a full valence shell Why do Atoms Bond? To become stable. Octet Rule: Atoms gain or lose electrons to achieve a full valence shell

The combining of atoms to form compounds. What is a Chemical Bond? The combining of atoms to form compounds. Poisonous gas Soft, metal + =

There are two major types of chemical bonds What is a Chemical Bond? There are two major types of chemical bonds Ionic Bonds Covalent Bonds

Atoms start off neutral. When they lose or gain e-, they become ions. Ionic Bonds 1. Ionic Bonds: formed when atoms gain or lose electrons Atoms start off neutral. When they lose or gain e-, they become ions. Occurs between a METAL and a NONMETAL

Ionic Bonds Metal to Nonmetal 19 Ionic Bonds Metal to Nonmetal Electrons either taken or given away Sodium Chlorine + Opposites attract

Losing & Gaining Electrons Nonmetals form ANIONS (-) Metals form CATIONS (+) Na Give Away Nonmetals form ANIONS (-) Cl Take in

The (-) ion and (+) ion attract. Opposites Attract The (-) ion and (+) ion attract. Na Cl (1+) (1-) Na Cl A neutral compound

Ionic Bonds An ionic bond is the resulting attraction for an anion and a cation after an electron is transferred from the metal to the non-metal