jennyrr9021
09.04.2021 •
Physics
A form of oxygen with three atoms of
oxygen bonded together instead of two is
called what?
A. triple oxygen
B. ozone
C. oxygen-3
D. trioxygen
Solved
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Ответ:
ozone, letter b
ozone is basically an allotrope of oxygen having three atoms instead of two.
Ответ:
The frequency must be:
Explanation:
If the work function of the metal (
) is 3 eV, then we can use the formula for the kinetic energy of an ejected electron:
considering for the minimum KE = 0, and using the Plank constant h in eV s as: 4.14 * 10 ^(-15) eV s, to solve for the frequency: