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# 20. How many molecules of CICO in 14.2g of CI,CO? 2[. How many atoms of Cl are in 14.2g of CLCO? 22. Calculate the mass of Cl are in 14.2g of CICO. 23. If presented...

## Question

###### 20. How many molecules of CICO in 14.2g of CI,CO? 2[. How many atoms of Cl are in 14.2g of CLCO? 22. Calculate the mass of Cl are in 14.2g of CICO. 23. If presented with the wave diagram; you should be able (0 identify its following components: (a) wavelength, (b) amplitude (c) frequency 24. In what region of the clectromagnetic spectrum is photon found that possesses twice as much energy as one in the blue region ( 442nm) of the visible spectrum? 25. What is the wavelength (in nm) of photon emi

20. How many molecules of CICO in 14.2g of CI,CO? 2[. How many atoms of Cl are in 14.2g of CLCO? 22. Calculate the mass of Cl are in 14.2g of CICO. 23. If presented with the wave diagram; you should be able (0 identify its following components: (a) wavelength, (b) amplitude (c) frequency 24. In what region of the clectromagnetic spectrum is photon found that possesses twice as much energy as one in the blue region ( 442nm) of the visible spectrum? 25. What is the wavelength (in nm) of photon emitted during transition from the n=3 state to the n= state in the H atom? How much energy was released by the electron during this transition? 26. Give the values of n, and m; for the orbital in a 3d subshell. 27. Indicate which of the following sets of quantum numbers in an atom are unacceptable: (a) (1,1, (b) (3,0,-1 , ) (c) (2,0,+1, 1), (d) (4,3, 1 ), (e) (3,2,+1,1) 28. What is the maximum number of electrons in an atom that can have the following quantum numbers? n = 4,[ = 3 29. Indicate the number of unpaired electrons present in cach of the following atoms: B, Nc; P Sc, Mn, Se, Kr; Fe, Cd;, [, Pb, Cu; Cr:

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