Bond Types

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.

Which of the following is NOT formed by a covalent bond?

• K₂S
• H₂O
• I₂
• CO₂

Covalent bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Is hydrogen considered a metal or a non-metal?

• A metal
• Nonmetal
• Metalloid

What is a valence electron?

• The sum of neutrons and protons.
• The # of electrons in the last shell.
• A type of bond.
• A popular compound.

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Atoms are most stable when their outer shell is complete.

• true
• false

Why do elements bond?

• To be friends
• To create a new element
• To become stable

Ionic or covalent?
NaBr

• Ionic
• Covalent

Ionic or covalent?
H₂O

• Ionic
• Covalent