Ch.6 - Electronic Structure of Atoms

Problem 15a

Chapter 6, Problem 15a

Label each of the following statements as true or false. For those that are false, correct the statement. (a) Visible light is a form of electromagnetic radiation.

Verified step by step guidance

Step 1: Understand the concept of electromagnetic radiation. Electromagnetic radiation is a form of energy that is propagated through space as waves. It includes a range of different types of radiation, such as radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Step 2: Identify the position of visible light in the electromagnetic spectrum. Visible light is the portion of the electromagnetic spectrum that is visible to the human eye, typically ranging from wavelengths of about 400 nm (violet) to 700 nm (red).

Step 3: Evaluate the statement: 'Visible light is a form of electromagnetic radiation.' Since visible light is part of the electromagnetic spectrum, it is indeed a form of electromagnetic radiation.

Step 4: Determine the truth value of the statement. Based on the understanding that visible light is part of the electromagnetic spectrum, the statement is true.

Step 5: Conclude that the statement is true and does not require correction.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Electromagnetic Radiation

Electromagnetic radiation is a form of energy that travels through space at the speed of light. It encompasses a spectrum of waves, including radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays. Each type of electromagnetic radiation has different wavelengths and frequencies, which determine its properties and interactions with matter.

Visible Light

Visible light is the portion of the electromagnetic spectrum that is visible to the human eye, typically ranging from wavelengths of about 400 to 700 nanometers. It is composed of various colors, which can be seen in a rainbow, and is crucial for processes such as photosynthesis in plants and vision in animals. Visible light is just a small segment of the broader electromagnetic spectrum.

True/False Statements

In logic and scientific reasoning, statements can be classified as true or false based on their accuracy and alignment with established facts. A true statement accurately reflects reality or scientific understanding, while a false statement contains inaccuracies. Correcting false statements involves identifying the error and providing the correct information, which is essential for clear communication and understanding in scientific discourse.

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Textbook Question

State where in the periodic table these elements appear: (a) elements with the valence-shell electron configuration ns2np5 (b) elements that have three unpaired p electrons (c) an element whose valence electrons are 4s24p1 (d) the d-block elements [Section 6.9]

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Open Question

The wavenumber l is the number of waves that exist over a specified distance, very often 1 cm. The wavenumber can easily be calculated by taking the reciprocal of the wavelength. Give typical wavenumbers for (a) X-rays (λ = 1 nm) (b) visible light (λ = 500 nm) (c) microwaves (λ = 1 mm).

Open Question

Carbon dioxide in the atmosphere absorbs energy in the 4.0–4.5 mm range of the spectrum. (a) Calculate the frequency of the 4.0 mm radiation.

Textbook Question

Label each of the following statements as true or false. For those that are false, correct the statement. (b) Ultraviolet light has longer wavelengths than visible light.

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Textbook Question

Label each of the following statements as true or false. For those that are false, correct the statement. (c) X rays travel faster than microwaves.

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Textbook Question

Determine which of the following statements are false and correct them. Determine which of the following statements are false and correct them. (a) The frequency of radiation increases as the wavelength increases. (b) Electromagnetic radiation travels through a vacuum at a constant speed, regardless of wavelength. (c) Infrared light has higher frequencies than visible light. (d) The glow from a fireplace, the energy within a microwave oven, and a foghorn blast are all forms of electromagnetic radiation.

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