举一反三
- What are the intermolecular forces? A: Dispersion Forces B: Ion-Dipole Forces C: Dipole-Dipole Forces D: Dispersion Forces Continued
- Heavy molecules need higher temperature to overcome their stronger . A: ionic bonds B: covalent bonds C: intermolecular forces D: --
- Intermolecular forces have the general name ______ .
- ______ 1. e__________ n. a fight or battle between armed forces
- Major categories of external variables are: A: economic forces B: social and cultural forces C: political, governmental and legal forces D: technological forces E: natural forces
内容
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Forces must exist between the object(物体) and the incline(斜面) that prevent the object from sliding.
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Which of the following statements are correct? A: The greater the modulus, the stiffer the material. B: The stiffer the material, the higher the resistance of the material to deformation. C: The higher the magnitude of elastic modulus, the higher the magnitude of the inter-atomic bonding forces in a material. D: The higher the magnitude of elastic modulus, the lower the magnitude of the intermolecular bonding forces in a material.
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The non-covalent intermolecular forces described in this video behave differently. How are the forces ranked in terms of their energy? A: Van Der Waals > Ionic > Hydrogen bonds B: Ionic > Van Der Waals > Hydrogen bonds C: Ionic > Hydrogen bonds > Van Der Waals D: Hydrogen bonds > Ionic > Van Der Waals
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There<br/>are 3 types of intermolecular forces (), they are____. A: Covalent<br/>bond B: Hydrogen<br/>bonding C: Dipole-dipole<br/>force D: Van<br/>der Waals attractions
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Hitler was the leader of the Nazi party, commanding German forces ________ World War Ⅱ. A: between B: throughout C: alongside