Chemistry 2nd Semester Final Exam Review

An ionic bond forms when atoms ___________ electrons.

• gain
• share
• increase
• transfer

Which type of bond has an equal sharing of electrons?

• Polar Covalent 
• Non Polar Covalent
• Ionic
• Metallic

Which type of bond has an unequal sharing of electrons?

• Polar Covalent 
• Non Polar Covalent
• Ionic
• Metallic

Bonds that form between two metals are called ______________ bonds.

• ionic 
• covalent
• metallic
• pervasive

If an atom loses two electrons what charge will it have?

• + 2
•  - 2
• +1
• -1

What is the number of valence electrons for Oxygen?

• 8
• 6
• 2
• 1

What elements generally make an ionic bond?

• metal and nonmetal
• 2 nonmetals
• metal
• none of the above

How many electrons does Si contain? (click to see image)

• 14
• 28
• 2
• 4

If an oxygen atom has 8 protons (+) and 10 electrons (-), what is it's charge?

• O^10-
• O⁸⁺
• O^2-
• O¹⁰⁺

Soluble in Water

• Ionic
• Covalent