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- Multiple ChoicePlease save your changes before editing any questions.The word "nano" means:one millionethone billionethone thousandthone trillioneth
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Which 2 of the following technologies are currently made using nanotechology?
odor-free socks
vegetarian meatballs
vaccinations
wrinkle-resistant fabrics
- Multiple ChoicePlease save your changes before editing any questions.Nanotechnology allows the manipulation of atoms or molecules to create or modify materials at the nanoscale.TrueFalse
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What is nanotechnology?
Study and manipulation of technology that is micro sized
Study and manipulation of matter that is small but can still be seen by the human eyes
Study and manipulation of matter at a scale of 1-100 nano meters
Study and manipulation of matter that moves at a speed measured in nano seconds
- Multiple ChoicePlease save your changes before editing any questions.The prefix "nano" comes from a ...French word meaning billionGreek word meaning dwarfSpanish word meaning particleLatin word meaning invisible
- Multiple ChoicePlease save your changes before editing any questions.What is a buckyball?A carbon atom (C60)Nickname for Mercedes-Benz's futuristic concept car (C111)Plastic explosives nanoparticle (C4)Concrete nanoparticle with a compressive strength of 20 nanonewtons (C20)
- Multiple ChoicePlease save your changes before editing any questions.Nanorobots (nanobots)...Do not exist yetExist in experimental form in laboratoriesAre already used in nanomedicine to remove plaque from the walls of arteriesWill be used by NASA in the next unmanned mission to Mars
- Multiple ChoicePlease save your changes before editing any questions.What exactly is a quantum dot?A semiconductor nanostructure that confines the motion of conduction band electrons, valence band holes, or excitons in all three spatial directions.The sharpest possible tip of an Atomic Force MicroscopeA fictional term used in science fiction for the endpoints of wormholesUnexplained spots that appear in electron microscopy images of nanostructures smaller than 1 nanometer
- Multiple ChoicePlease save your changes before editing any questions.What best approximates the diameter of a DNA molecule?2 nanometers20 nanometers3 Angstroms100 Angstroms
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Having a tendency to mix with, dissolve in, or be wetted by water.
Hydrophobic
Hydrophilic
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which will give hi-resolution images?
SEM
TEM
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synthesis of nanoparticles is possible with
top down method
bottom up method
both
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Why the properties of nanomaterials are different significantly compared to bulk materials?
Quantum effect
Confinement effect
Synergistic effect
Avalanche effect
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Why the properties of nanomaterials are different significantly compared to bulk materials?
Increased relative surface area
Decreased relative surface area
Increased lattice parameters
Lower down the melting temperature
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Nanotubes are considered as Two-dimensional (2-D) nanomaterials
Yes
No