Bonding

How many valence electrons does Oxygen (O) have?

• 6

• 8

• 15

• 16

Predict the bond that will form between Se and Cl.

• Ionic
• Covalent

Electron that is located on the outermost shell

• proton

• neutron

• electron

• valence electron

How many valence electrons are shown in the diagram?

• 16

• 7

• 6

• 2

Which particle is responsible for bonding?

• Electrons

• Protons

• Nucleus

• Neutrons

This refers to the tendency of atoms to prefer to have eight electrons in the valence shell

• Octet rule

• Valence electron

• Electronegativity

• Lewis symbol

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

• -1

• -2

• +1

• +2

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

How do covalent bonds form?

• Donating & receiving valence e- between atoms.
• Opposite slight charges attract each other between compounds.
• Scientists are still not sure how they form.
• Sharing valence e- between atoms.

Examine the image: How many bonds are formed looking at the model of the compound? And also indetify what type of bond is formed.

• 2 bonds; covalent

• 4 bonds; metallic

• 2 bonds; ionic

• 4 bonds; covalent