4.3 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.

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NGSS.HS-PS1-2

What do we call a covalent bond where electrons are shared UNEVENLY or UNEQUALLY?

• Ionic
• Polar Covalent
• Nonpolar Covalent
• Van der Waals Force

What type of bond is shown in this image?

• Ionic
• Polar Covalent
• Nonpolar Covalent
• Van der Waals Force

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NGSS.HS-PS1-3

How many electrons are shared in a single covalent bond?

• 2 pairs

• 4

• 2

• 1

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NGSS.HS-PS1-2

What do we call a covalent bond where electrons are shared UNEVENLY or UNEQUALLY?

• Ionic
• Polar Covalent
• Nonpolar Covalent
• Van der Waals Force

Which is stronger...

• N − N

• N = N

• N ≡ N

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NGSS.HS-PS1-3

NGSS.HS-PS1-4

How many Valence Electrons are on Oxygen

• 2
• 7
• 6
• 1

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NGSS.HS-PS1-1

Why do atoms bond?

• to find a date

• to become bigger

• to go to dog jam

• to become stable

Ionic Bonds ____________ valence electrons.

• give

• take

• share

• keep

Covalent Bonds ______________ valence electrons.

• give

• take

• keep

• share