Home Chapter 6: Electronic Structure of Atoms Quiz

# Quiz

This activity contains 12 questions.

## Passage I (Questions 1-8) Which relation would Scientist 1 use to convert wavelength to energy most directly ?

 E = hc/ c = v E = hv En = -k/n2

## Calculate the frequency in s-1 of ultraviolet radiation that has a wavelength of 248 nm.

 8.27 x 10-16 1.21 x 1015 121 x 106 82.7 x 10-7 248

## Calculate the wavelength in nm of an X ray that has a frequency of 3.22 x 1016 s-1.

 3.22 x 107 10.7 932 1.07 9.32

## For the 25Mn atom, which subshell is partially filled?

 4d 4p 3d 4s 3s

## Give the values for n, l, and ml for each orbital in the 2p subshell.

 n = 2, l = 0, ml = 0 n = 2, l = 2, ml = 2, 1, 0, -1, -2 n = 2, l = 1, ml = 1, 0, -1 n = 2, l = 1, ml = 0

## How many electrons can occupy the 5f subshell?

 8 6 14 10 12

## Identify the specific element that corresponds to the following electron configuration: [Kr]5s24d105p4

 Sn I Te In Sb

## It requires 222 kJ/mol to eject electrons from potassium metal. If potassium is irradiated with light of 250 nm, what is the maximum possible kinetic energy of the emitted electrons?

 7.95 x 10-19 J 4.26 x 10-19 J 3.69 x 10-19 J

## It requires 222 kJ/mol to eject electrons from potassium metal. What is the lowest frequency of light required to eject an electron from the metal?

 5.40 x 10-7 s-1 4.52 x 108 s-1 3.38 x 1038 s-1 9.18 x 10-10 s-1 5.56 x 1014 s-1

## Which of the following is an incorrectelectron configuration?

 [Ne] 3s2 -- Mg 1s2 2s2 2p1 -- B [Ne] 3s2 3p3 -- P [Ne] 3s2 3p5 -- Cl 1s2 2s2 2p4 -- N

## Which of the following transitions in the Bohr hydrogen atom model affords emission of the highest-energy photon?

 ni = 1 --> nf = 6 ni = 3 --> nf = 6 ni = 4 --> nf = 1 ni = 6 --> nf = 1 ni = 6 --> nf = 3

## Which one of the following elements has the ground-state electron configuration [Kr]5s14d5?

 Nb Mn Cr Mo