Covalent Bonds

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.

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

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

• K₂S
• H₂O
• I₂
• CO₂

Tags

NGSS.HS-PS1-1

A Nitrogen molecule (N2) has one triple bond. How many electrons do the nitrogen atoms share?

• 1
  1
• 3
• 4
• 6

Compared to ionic compounds, covalent compounds generally have...

• good conductivity

• greater densities

• more chemical bonds

• a low boiling point

what type of bond is the strongest

• single
• Double
• coordination
• triple

How many electrons are shared in a single bond?

• 2 pairs

• 4

• 2

• 1

How many electrons are shared in a double bond?

• 2

• 4 pairs

• 6

• 4

How many valence electrons does oxygen have?

• 2
• 3
• 6
• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does nitrogen have?

• 3
• 2
• 5
• 1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2