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- 1. Multiple Choice
How does cohesion happen?
A single water single water molecule may be involved in as many as four hydrogen bonds at the same time, water is extremly cohesive.
A single water single water molecule may be not involved in as many as four hydrogen bonds at the same time, water is extremly cohesive.
- 2. Multiple Choice
Refer to the picture of water sticking to a leaf; this is occurring because of:
Adhesion
Cohesion
- 3. Multiple ChoiceCohesion and adhesion have this in common:Hydrogen bondingThey create non-polar moleculesOnly relate to waterUniversal solvent
- 4. Multiple Choice
Surface tension is the property of water in which...
water molecules at the surface tend to stick together.
water spills easily.
water tends to be see-through.
- 5. Multiple Choice
Describe COHESION.
Water molecules attracted to other substances.
Water molecules climbing upwards against the force of gravity.
Water molecules dissolving many substances because of its polarity.
Water molecules attracted to other water molecules.
- 6. Multiple ChoiceWhat two elements make up water?Helium and oxygenHydrogen and oxygenhelium and carbonoxygen and carbon
- 7. Multiple ChoiceWhat word describes when water is attracted to other substances?cohesionadhesioncapillary actionsurface tension
- 8. Multiple ChoiceAttractions between water molecules are calledCovalent bondsIonic bondsPolar bondsHydrogen bonds
- 9. Multiple Choice
molecule in which opposite ends have slightly opposite electric charges
cohesion
polar molecule
hydrogen bond
solution
- 10. Multiple ChoiceWhich end of the water molecule has a slightly positive charge?the oxygen endthe hydrogen endboth ends are slightly positiveneither end is positive
- 11. Multiple ChoiceWater droplets take a spherical shape (as pictured) because of ____________adhesioncohesioncapillary actionsolubility
- 12. Multiple Choice
Water's ability to stick to glass is
adhesion
cohesion
surface tention
capillary action
- 13. Multiple ChoiceIn a water molecule the hydrogen and oxygen atoms hold together by sharing _________.protonsneutronselectronsnuclei
- 14. Multiple ChoiceA high specific heat means...It heats up quickly with energy addedIt requires more energy to change temperature
- 15. Multiple Choice
What do you call any substance that dissolves another substance?
Solvent
Height
Atoms
Oxygen
- 16. Multiple Choice
Which property of water contributes most to its ability to form hydrogen bonds with other water molecules?
Water is a good solvent.
Water has high surface tension.
Water is a polar molecule.
Water has high specific heat.
- 17. Multiple Choice
What is the charge on the hydrogen atom in the water molecule?
positive
slight positive
negative
slight negative
- 18. Multiple Choice
The electrons in the water molecule spend more time around the_______________.
hydrogen
oxygen
both hydrogen and oxygen
neither
- 19. Multiple Choice
The bond between the hydrogen of one water molecule and the oxygen of another water molecule is called a
covalent bond
ionic bond
hydrogen bond
oxygen bond
- 20. Multiple Choice
A molecule with an uneven distribution of charge where one side is positive and one side is negative is called a
non polar molecule
ion
isotope
polar molecule
- 21. Multiple ChoiceCovalently bonded molecules are made of atoms thatshare electornsshoot their electrons out into spacemove their electrons to the nucleus of the atomgive electrons to and accept electrons from each other
- 22. Multiple ChoiceIonically bonded compounds are made of atoms thatshare electronsshoot their electrons out into spacemove their electrons to the nucleus of the atomgive electrons to and accept electrons from each other
- 23. Multiple ChoiceWater molecules require a lot of energy to break the hydrogen bonds. This gives water a highdensitypolaritysolvencyspecific heat
- 24. Multiple ChoiceWhich of the following properties of water enables molecules to cling together as they move from the roots to the leaves of plants?Water expands as it freezes.Water is an excellent solvent.Water exhibits cohesive behavior.Water moderates temperature.
- 25. Multiple ChoiceLarge bodies of water do not quickly fluctuate, or change, in temperature. Why?Water is a solvent.Water has a high heat capacity.Water acts as a buffer.Water is non-polar.
- 26. Multiple ChoiceWhy does water move from the roots to the leaves of plants?Water is pushed by solutes.Capillary action pulls the water molecules like a chain.Water is pulled by gravity.Water’s cohesion causes it to “pull” towards the leaves.
- 27. Multiple Choice
The upward force that fluids exert on objects is called?
mass
volume
density
buoyancy
- 28. Multiple Choice
Mark all true statements.
water has a high thermal conductivity
water has a low thermal conductivity
water is a good insulator
- Answer choicesTagsAnswer choicesTags