Radiações ionizante e não ionizantes

Summary

In this video, Ana Cláudia from the Radiology Academy introduces the concept of ionizing radiation, explaining its relevance to students in radiology training. The video covers the structure of the atom, emphasizing the role of protons, neutrons, and electrons in the process of ionization. Ionizing radiation, like X-rays and gamma rays, possesses enough energy to eject electrons from atoms, creating ions. The video also distinguishes between ionizing and non-ionizing radiation, highlighting the effects of lower-energy radiation, such as UV rays, on atoms. Viewers gain a clear understanding of how different radiations interact with matter, preparing them for further learning in the field.

Takeaways

• 😀 Radionuclides can be divided into two types: ionizing and non-ionizing radiation.
• 😀 Ionizing radiation has enough energy to remove electrons from atoms, creating ions.
• 😀 Ionizing radiation can be found in X-rays and gamma rays, which have the highest energy in the electromagnetic spectrum.
• 😀 Non-ionizing radiation cannot remove electrons from atoms but can cause excitation, moving electrons to higher energy levels.
• 😀 Examples of non-ionizing radiation include radio waves, TV waves, infrared radiation, microwaves, visible light, and ultraviolet light (UV).
• 😀 UV radiation can be classified as either ionizing or non-ionizing depending on its energy level.
• 😀 Non-ionizing radiation excites electrons, but they eventually return to their original energy level.
• 😀 The primary difference between ionizing and non-ionizing radiation is the ability to ionize atoms by removing electrons.
• 😀 Ionizing radiation is more energetic and can interact with matter to cause significant changes at the atomic level.
• 😀 Understanding the difference between ionizing and non-ionizing radiation is essential in fields like radiology and health sciences.

Q & A

What is the main focus of this video?

The video focuses on explaining the basic concepts of ionizing and non-ionizing radiation, with an emphasis on the atomic structure and how different types of radiation interact with matter.

What is the basic structure of an atom as explained in the video?

The atom consists of a nucleus made up of protons and neutrons, with electrons located in the outer region, called the electron cloud or eletrosfera.

What is ionizing radiation?

Ionizing radiation is radiation that has enough energy to remove electrons from atoms, thereby ionizing the atoms in the process.

Which types of radiation are classified as ionizing radiation?

Ionizing radiation includes X-rays and gamma rays, as these have high energy capable of removing electrons from atoms.

What is the difference between ionizing and non-ionizing radiation?

Ionizing radiation has high energy that can remove electrons from atoms, while non-ionizing radiation has lower energy and only causes electrons to jump between energy levels without removing them.

What are examples of non-ionizing radiation mentioned in the video?

Examples of non-ionizing radiation include radio waves, TV signals, infrared waves, microwaves, visible light, and ultraviolet light (with lower energy levels).

What happens to electrons in an atom when exposed to non-ionizing radiation?

When exposed to non-ionizing radiation, electrons absorb energy and jump to higher energy levels, causing excitation, but they are not removed from the atom.

How is ultraviolet radiation classified according to its energy levels?

Ultraviolet radiation with lower energy is classified as non-ionizing, but ultraviolet radiation with higher energy can be classified as ionizing.

What is the purpose of the academy as mentioned in the video?

The academy aims to transform students into experts, offering educational content to support their learning and development.

What should viewers do if they are not yet subscribed to the academy?

Viewers should subscribe to the academy, activate notifications, and leave a like on the video to stay updated on future content.