1. Section 3
Covalent Bonds

2. ______ _____ When atoms ____________one or more electrons
______ _____
When atoms ____________one or more electrons
Two ____________ share electrons to fill their outermost shell

3. ____________ Two or more atoms joined by a definite ratio.
Electron-dot diagrams show the number of ___________ _______

4. Simplest Molecules
_________ ________ made up of two atoms of the same element
___________ ________ elements found naturally as diatomic molecules

5. Metallic Bonds
A bond formed by the attraction between positively charged metal ions and the electrons in the metal.

6. Complete the Table Below
Element
Atomic Number
Valence Electrons
Number to Fill Outer Shell
Carbon 6
Chlorine 17
Hydrogen 1
Phosphorous 15
Oxygen 8
Sulfur 16
Nitrogen 7

7. Make it Happen Hydrogen + Hydrogen Hydrogen + Oxygen
Chlorine + Chlorine
Oxygen + Oxygen
Carbon + Oxygen
Carbon + Hydrogen
Hydrogen + Chlorine
Carbon + Chlorine