Chemical Bonds

1. Ionic Bond

1.1. formed when one atom accepts or donates one or more of its valence electrons to another atom

2. Covalent Bond

2.1. formed when one atom accepts or donates one or more of its valence electrons to another atom

2.2. polar covalent bond

2.2.1. When the atoms do not always share the electrons equally

2.3. metallic bond

2.3.1. When electrons are shared by two metallic atoms