Exploring Chemical Bonds
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Objective
I can describe the different types of chemical bonds and their properties.
Part 1 of 4
Warm-up video
TED-Ed · 3:34Vetted channel
We don't generate video — this one is by TED-Ed on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
An ionic bond is formed when one atom completely transfers one or more electrons to another, resulting in oppositely charged ions, like in sodium chloride (NaCl).
- 2
In a covalent bond, atoms share electrons, with each atom attracted to the shared electrons; examples include the bonds in proteins and DNA.
- 3
Only the outermost electrons participate in bonding; carbon typically forms four bonds, nitrogen forms three, and oxygen forms two, and groups of atoms sharing electrons are called molecules.
Part 3 of 4
Practice
3 questions
Describe the fundamental difference between ionic and covalent bonds in terms of electron behavior.
Which of the following is an example of a compound formed through ionic bonding?
Part 4 of 4
Exit ticket
Quick comprehension check
“Describe the difference between ionic and covalent bonds, including how electrons are involved in each.”
Sample answer included in the free materials
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