This quiz contains a mix of SL and HL questions 
Target: 10 Questions in 10 minutes
An IB Chemistry data booklet is helpful

1. Emission spectra are produced when photons are emitted from atoms as ...
 A. excited electrons return to lower energy levels
 B. ground state electrons are excited from lower to higher energy levels
 C. protons and neutrons rearrange themselves in the nucleus
 D. excited electrons move to higher energy levels
 
2. Which statement is true?
 A. Blue light has a higher energy and lower frequency than red light
 B. Blue light has lower energy and shorter wavelength than red light
 C. Red light has a higher energy and higher frequency than blue light
 D. Red light has a lower energy and longer wavelength then blue light


3. What are the relationships between energy and wavelength, and energy and frequency across the electromagnetic spectrum?

Wavelength 
Frequency 
A 
$\mathsf {{energy} \propto {wavelength}}$ 
$\mathsf {{energy} \propto {frequency}}$ 
B 
$\mathsf {{energy} \propto {wavelength}}$ 
$\mathsf {{energy} \propto {1 \over frequency}}$ 
C 
$\mathsf {{energy} \propto {1 \over wavelength}}$ 
$\mathsf {{energy} \propto {frequency}}$ 
D 
$\mathsf {{energy} \propto {1 \over wavelength}}$ 
$\mathsf {{energy} \propto {1 \over frequency}}$ 
 
4. Which statement is false?
 A. A continuous spectrum contains all possible frequencies
 B. A line emission spectrum is produced by electrons moving from higher to lower energy levels
 C. Specific frequencies of energy are absorbed in a line emission spectrum
 D. A line spectrum consists of discrete lines of specific wavelengths
 
Q58:
The line emission spectrum of hydrogen in the visible region is shown below:

Patrick Edward Moran CCBYSA 3.0

5. This spectrum provides evidence that ..
 A. Energy levels converge at higher energy
 B. Energy levels are evenly distributed
 C. Energy levels converge at lower energy
 D. Energy levels are randomly arranged
 
6.Which statement is true for the hydrogen emission spectrum in the visible region?
 A. The lines are produced when electrons move from lower to higher energy levels
 B. The lines are due to electron transitions into the first energy level
 C. The red line represents the greatest energy transition
 D. The lines are due to electron transitions into the second energy level
 
7. Which electronic transition represents the greatest energy release?
 A. n = 3 to n = 5
 B. n = ∞ to n = 3
 C. n = 1 to n = 3
 D. n = 2 to n = 1
 
8. The diagram below (not to scale) represents some of the electron energy levels in the hydrogen atom. Which of the following arrows represents a transition requiring energy in the visible region of the electromagnetic radiation?
 
9.(AHL only) One of the lines in the visible spectrum of helium has a wavelength of 668nm. What is the energy of the electron transition which produces this line?
 A. 2.98x10^{19} J
 B. 2.98x10^{28 }J
 C. 4.43x10^{31 }J
 D. 4.43x10^{40 }J
 
10. (AHL only) In the hydrogen emission spectrum, the frequency of the convergence limit in the electron transition to n=1 level is 3.29x10^{15}Hz. What is the correct calculation for the ionization energy of hydrogen in kJ mol^{1}?
 A. 6.63x10^{34} x 3.29x10^{15 }
 B. $\mathsf {{6.63\times 10^{34} \, \times \,3.29\times 10^{15}} \over {1000}}$
 C. $\mathsf {{6.63\times 10^{34} \, \times \,3.29\times 10^{15}\times \, 6.02\times 10^{23}} \over {1000 \, }}$
 D. $\mathsf {{6.63\times 10^{34} \, \times \,3.00\times 10^{8} \, \times \, 6.02\times 10^{23}} \over {1000 \, \times \, 3.29\times 10^{15}}}$


