Bonding

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 Carbon (Group 14)?

• 1

• 2

• 3

• 4

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

• 5

• 6

• 7

• 8

A covalent bond forms when atoms ___________ electrons.

• gain

• share

• increase

• transfer

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

• Polar Covalent 
• Non Polar Covalent
• Ionic
• Metallic

Covalent compounds

• Share electrons
• transfer electrons
• contain a sea of electrons
• conduct electricity

How many valence electrons in this structure?

• 6
• 5
• 4
• 7

Ionic bonding is between a

• nonmetal and nonmetal

• metal and nonmetal

• metal and metal

• Depends on the situation

Which category of elements usually form negative ions?

• metals

• nonmetals

• metalloids

• noble gases

Predict the bond between Mg and Cl

• covalent

• ionic

• metallic

• none of the above