1. Atoms sometimes form bonds to _____.

• A. give away protons

• B. lose energy

• C. become more stable

• D. give away neutrons

2. The force that holds atoms together in molecule called _____.

• A. chemical bond

• B. covalent bond

• C. ionic bond

• D. metallic bond

3. How many valence electrons does Iodine have?

• A.1

• B. 3

• C.5

• D.7

4. Which of the following elements have the lowest ionization energy?

• A. Na

• B. Al

• C. P

• D. Cl

5. Oxygen atoms have six electrons in their outer shells. When 2 oxygen atoms bond they will form a _____ bond by _____ their electrons.

• A. ionic, transferring

• B. ionic, sharing

• C. covalent, sharing

• D. covalent, transferring

6. Sodium has one electron in its outer shell. When Sodium bond to Chlorine the atoms will form a _____ bond by _____ their electrons.

• A. ionic, transferring

• B. ionic, sharing

• C. covalent, sharing

• D. covalent, transferring

7. Usually occurs between non-metals.

• A. covalent bond

• B. ionic bond

• C. hydrogen bond

• D. metallic bond

8. How is the bond in Br2 different from the bond in MgF2?

• A. The bond in Br2 is metallic while the bond in MgF2 is covalent.

• B. The bond in Br2 is ionic while the bond in MgF2 is covalent.

• C. The bond in Br2 is covalent while the bond in MgF2 is ionic.

• D. There is no bond difference between the two.

9. Creates compounds with very high boiling points.

• A. covalent bond

• B. ionic bond

• C. hydrogen bond

• D. metallic bond

10. Creates compounds with low electrical conductivity.

• A. covalent bond

• B. ionic bond

• C. hydrogen bond

• D. metallic bond