Which of the following has a full valence shell?

• Oxygen
• Neon
• Barium
• Carbon

Elements on the LEFT side of the periodic table will most likely form:

• Positive ions
• Negative ions
• Neutral Ions
• None of these

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

Which type of bond has a transfer of an electron from on atom to another?

• Polar Covalent 
• Non Polar Covalent
• Ionic
• Metallic

What is a valence electron?

• an electron that is found in the outermost shell of an atom.

• an electron found in the innermost shell of an atom.

• an electron found in the middle shell.

What is the number of valence electrons for Neon and the other Noble Gases?

• 5

• 6

• 7

• 8

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

• 14
• 28
• 2
• 4

Which is the correct Lewis Structure for oxygen?

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