Covalent bond

1-is made of two similar atoms. Ex. : H2 - O2

15- A covalent bond in which electrons are shared unequally is: .............................

8-Exists when 2 non metal atoms share 2 pairs of valence electrons.

13-Which Compound would be classified as a covalent bond? a-HCl b-H2O c- both

12-The bond between O2 is ……………………… & between N2 is ……………….……….. covalent

14-21-The number of _____ is most important in determining how an atoms will bond. Electron sin the

11-What is the type of this covalent bond ?

6-the type of bond when each atom share by no. of valence electrons equal to that needed to completes its outer shell to be stable as nearest inert gas.

16-What happens to the electrons in a Nonpolar Covalent bond ?

5-It is a bond formed between 2 non- metal atoms by sharing valence electrons to complete its outer shell

9-True or false : Double bonds are stronger than single bonds.

10-A triple covalent bond results in how many shared electrons?

7-True or false : The more valence electrons that the two atoms share, the stronger the covalent bond formed

4-Types of chemical bonds a-Ionic bonds – b-Covalent bonds – c-Metallic bonds d-all

2-is a substance made up of two or more different elements in fixed ratio. Ex. H2O - CO2

3-Is a force that join atoms together in a compound or an element.