TRUE OR FALSE 1. All the elements from left to right and bottom to up have the lowest electronegativity. 2. London dispersion forces can be referred also as von dor Waals forces. 3. Hydrogen bonds keep the DNA bases paired together and maintain their structure. 4. A hydrogen bond is a true chemical bond. 5. Hydrogen attached to carbon cannot participate in hydrogen bonding when the carbon atom is bound to electronegative atoms. CHCI3 6. The change of phase from solid to gas is called Sublimation. _7. The motion/speed of the particles increases as the temperature of the particle decreases. 8. A change of phase from liquid to gas is called Transpiration. 9. Energy is either absorbed or released during a phase change 10. Cooling a gas may change the state to a liquid due to a change in measure. 11. Dipole-dipole attractions between water molecules, the negatively charged oxygen atom of one molecule attracts the positively charged hydrogen of another molecule. 12. The ion-dipole force is sometimes found in solutions. 13. The intramolecular bonding can create attractions between molecules of a substance. 14. A polar molecule is one that has an even charge distribution. 15. Liquid to gas is called condensation.

TRUE OR FALSE 1. All the elements from left to right and bottom to up have the lowest electronegativity. 2. London dispersion forces can be referred also as von dor Waals forces. 3. Hydrogen bonds keep the DNA bases paired together and maintain their structure. 4. A hydrogen bond is a true chemical bond. 5. Hydrogen attached to carbon cannot participate in hydrogen bonding when the carbon atom is bound to electronegative atoms. CHCI3 6. The change of phase from solid to gas is called Sublimation. _7. The motion/speed of the particles increases as the temperature of the particle decreases. 8. A change of phase from liquid to gas is called Transpiration. 9. Energy is either absorbed or released during a phase change 10. Cooling a gas may change the state to a liquid due to a change in measure. 11. Dipole-dipole attractions between water molecules, the negatively charged oxygen atom of one molecule attracts the positively charged hydrogen of another molecule. 12. The ion-dipole force is sometimes found in solutions. 13. The intramolecular bonding can create attractions between molecules of a substance. 14. A polar molecule is one that has an even charge distribution. 15. Liquid to gas is called condensation.

Chemistry In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter12: The Liquids And Solids Around Us: Especially Water

Section: Chapter Questions

Problem 27E

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