Quiz 3: Electron Structure of the Atom

Rank the following types of electromagnetic radiation from shortest wavelength to longest wavelength: visible, ultraviolet, microwave, infrared, x-ray.

• x-ray < visible < ultraviolet < infrared < microwave

• x-ray < ultraviolet < visible < microwave < infrared

• x-ray < ultraviolet < visible < infrared < microwave

• microwave < infrared < visible < ultraviolet < x-ray

List the following colors of visible light from lowest frequency to highest frequency: green, blue, yellow, red, violet.

• red < yellow < green < blue < violet

• violet < yellow < green < blue < red

• blue < violet < green < red < yellow

• yellow < red < green < violet < blue

Which of the following statements regarding electromagnetic radiation is incorrect?

• The distance between two corresponding points on a wave is its wavelength.

• Each type of electromagnetic radiation has its own characteristic range of wavelengths and frequencies.

• The visible portion of the electromagnetic spectrum has the lowest energy of any of the types of electromagnetic radiation.

• The wavelength of electromagnetic radiation is inversely proportional to its frequency.

Which of the following statements regarding orbitals is correct?

• There is no difference between the orbitals of the modern model of the atom and the orbits of the Bohr model of the atom.

• A 1s orbital can be represented as a two-dimensional circle centered around the nucleus of an atom.

• A 2p orbital is smaller than a 3p orbital.

• The d orbitals always have three lobes.

Which of the following statements regarding orbital diagrams is correct?

• The 2p sublevel has two orbitals.

• Four electrons can be placed in each orbital.

• All of the electrons in a given orbital must have the same spin.

• Electrons will fill a given sublevel in a way that gives the maximum number of unpaired electrons.

When completing the orbital diagram for the element phosphorus, which of the following statements is correct?

• There are five electrons in the n = 3 energy level.

• There are electrons in the 3d sublevel.

• There is one unpaired electron in the 3p sublevel.

• The 2p sublevel is not full.

The wavelength of the blue light given off by a mercury vapor street lamp is 436 nm. What is the energy of a photon of this light in joules?

- Report your answer with correct significant figures. 
 - Answers must be typed next to each other, without spaces.

- Using ' * ' for multiplication and using ^ for raised to the power. Example: 1.45*10^5

(a)  

A laser emits light with a frequency of 4.69 × 10¹⁴ s⁻¹. Calculate the wavelength of this light in nanometers, nm?

Report your answer with correct significant figures.

(a)  

If the energy of a photon of light is 3.37 × 10⁻¹⁹ J, what is the frequency of the light in s^-1?

- Report your answer with correct significant figures.

- Answers must be typed next to each other, without spaces.

- Using ' * ' for multiplication and using ^ for raised to the power. Example: 1.45*10^5

(a)  

Select all that explains the modern model of the atom.

• The modern model of the atom is described electrons as occupying orbitals, not orbits.

• The modern model of the atom was based on the probability of finding an electron in a region outside the nucleus.

• The modern model of the atom only explained the hydrogen atom spectrum.

• The modern model of the atom is described as a planetary model, in which electrons orbit the nucleus.