TYPES OF CHEMICAL BONDING

Which of the following is the correct Lewis formula for molecular oxygen (O₂)?

• A
• B
• C
• D

How many valence electrons in this structure?

• 6
• 5
• 4
• 7

What type of bond is illustrated above?

• Metallic
• Ionic
• Covalent
• Wiggly

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

• 14
• 28
• 2
• 4

What elements generally make an ionic bond?

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

Which bond does this picture best represent?

• Metallic bond

• ionic bond

• covalent bond

• James Bond

How many more electrons are needed to fill an outermost energy level of a Carbon atom?

• its already full, 0 needed
• 2
• 4
• carbon is a nonmetal, it has no electrons

Using electronegativities, what type of bond is formed by Co and F.

• ionic
• polar covalent
• non-polar covalent

What elements generally make a covalent bond?

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

The atomic number of an element tells you what about that element? 

• number of ions
• number of valence electrons
• number of electrons 
• what is an element?