Physics, 29.08.2019 14:00 jordynj6363
Which of the following is not true about covalent compounds?
a. they are made of molecules and can be gases, liquids or solids
b. they have low melting and boiling points
c. they are good electrical conductors in in all phases
d. many are soluble in nonpolar liquids but not in water
Answers: 1
Physics, 22.06.2019 13:00
4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?
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The nuclear potential that binds protons and neutrons in the nucleus of an atom is often approximated by a square well. imagine a proton conned in an innite square well of length 105 nm, a typical nuclear diameter. calculate the wavelength and energy associated with the photon that is emitted when the proton undergoes a transition from the rst excited state (n 2) to the ground state (n 1). in what region of the electromagnetic spectrum does this wavelength belong?
Answers: 1
Which of the following is not true about covalent compounds?
a. they are made of molecules an...
a. they are made of molecules an...
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