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SI CHEM 1670
LEAH - 10/12
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AGENDA
- Bond Types
- Bond Polarity
- Electronegativity
Review
What are 3 types of bonds and how do we represent them? What happens to the bonding electrons in each type of bond?
Review
What are 3 types of bonds and how do we represent them? What happens to the bonding electrons in each type of bond?
Polar Covalent
Ionic
Covalent
Review
Predict which of the following are ionic and covalent based on the location on the periodic table: a. MnO b. NCl3 c. CO2
Electronegativity
In each pair, circle the more electronegative atom. (The one which will attract shared electrons more strongly) a. C or Cl b. Rb or Br c. As or Na
Electronegativity
Which is the most polar bond? C-C C-H N-H O-H Se-H
Electronegativity
Identify the more polar bond in each of the following pairs of bonds: a. HF or HCl b. NO or CO c. SH or OH
Electronegativity
Which of the following molecules have dipole moments? a. CS2 b. SeS2 c. CCl2F2 d. PCl3
Electronegativity
The molecule XF has a dipole moment. Is X boron or phosphorus? The molecule XCh has a dipole moment. Is X sulfur or beryllium?
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Ionic Bonding
e- transferred from a metal to a non-metal
Covalent Bonding
e- shared by the nuclei (non-polar covalent)
Polar Covalent Bonding
Unequal sharing of e- (2 different non - metals)
Electronegativity
Nonpolar colvalent
difference less than 0.4
Polar colvalent
difference between 0.4 and 2
Ionic
difference greater than 2
SI CHEM 1670
Leah Miller
Created on October 12, 2025
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Transcript
More info on next slide
SI CHEM 1670
LEAH - 10/12
More info on next slide
AGENDA
Review
What are 3 types of bonds and how do we represent them? What happens to the bonding electrons in each type of bond?
Review
What are 3 types of bonds and how do we represent them? What happens to the bonding electrons in each type of bond?
Polar Covalent
Ionic
Covalent
Review
Predict which of the following are ionic and covalent based on the location on the periodic table: a. MnO b. NCl3 c. CO2
Electronegativity
In each pair, circle the more electronegative atom. (The one which will attract shared electrons more strongly) a. C or Cl b. Rb or Br c. As or Na
Electronegativity
Which is the most polar bond? C-C C-H N-H O-H Se-H
Electronegativity
Identify the more polar bond in each of the following pairs of bonds: a. HF or HCl b. NO or CO c. SH or OH
Electronegativity
Which of the following molecules have dipole moments? a. CS2 b. SeS2 c. CCl2F2 d. PCl3
Electronegativity
The molecule XF has a dipole moment. Is X boron or phosphorus? The molecule XCh has a dipole moment. Is X sulfur or beryllium?
THANK YOU!!!
SIGN IN!
Ionic Bonding
e- transferred from a metal to a non-metal
Covalent Bonding
e- shared by the nuclei (non-polar covalent)
Polar Covalent Bonding
Unequal sharing of e- (2 different non - metals)
Electronegativity
Nonpolar colvalent
difference less than 0.4
Polar colvalent
difference between 0.4 and 2
Ionic
difference greater than 2