Which of the four elements listed is most likely to be the unknown metal? (CHeck the image for the tables) 1.Cadmium 2.Yttrium     3.Strontium 4.Cesium

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Which of the four elements listed is most likely to be the unknown metal?

(CHeck the image for the tables)

1.Cadmium

2.Yttrium    

3.Strontium

4.Cesium

Table 1. Photoelectric Effect Experimental Results
Laser Wavelength
Photoelectric Effect Observed?
550 nm
No
400 nm
No
475 nm
No
525 nm
No
375 nm
No
Table 2. Select Metals and Their Binding Energies
Metal
Electron Binding Energy (J)
Cesium
3.124251e-19
Yttrium
5.207085e-19
Strontium
4.405995e-19
Cadmium
6.5368944e-19
Transcribed Image Text:Table 1. Photoelectric Effect Experimental Results Laser Wavelength Photoelectric Effect Observed? 550 nm No 400 nm No 475 nm No 525 nm No 375 nm No Table 2. Select Metals and Their Binding Energies Metal Electron Binding Energy (J) Cesium 3.124251e-19 Yttrium 5.207085e-19 Strontium 4.405995e-19 Cadmium 6.5368944e-19
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