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Chemistry, 21.06.2019 16:00
One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell
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Chemistry, 21.06.2019 16:30
Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)
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Chemistry, 22.06.2019 14:30
Connect the whole numbers on the periodic table to indicate what they represent?
Answers: 3
The physical properties of a substance containing the bonded atoms Y and Z include...
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