Understanding the Periodic Table
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- čas přidán 20. 05. 2024
- The periodic table is a fundamental tool in chemistry, organizing all known elements based on their atomic number, electron configurations, and recurring chemical properties. This video provides an in-depth guide to understanding and using the periodic table effectively.
Starting with an overview of the table’s layout, the video explains how elements are arranged in rows (periods) and columns (groups or families), highlighting the significance of these arrangements. You will learn how to quickly locate an element and interpret the information provided, such as atomic number, atomic mass, and symbol. The video also covers the meaning behind different element categories, including metals, nonmetals, and metalloids.
Detailed examples demonstrate how to use the periodic table to predict element properties, such as reactivity and bonding behavior. Additionally, the video explains trends across periods and groups, like electronegativity, ionization energy, and atomic radius. These trends help in understanding why elements behave the way they do in chemical reactions.
Perfect for students and anyone interested in chemistry, this video makes the periodic table accessible and easy to understand. By the end, you'll be equipped with the knowledge to utilize the periodic table as a powerful resource for studying and understanding chemical elements and their interactions.
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Best teacher ever.
I've had university chemistry, it was hard to understand, you teach it the best I've experienced. I watch most of your videos on math , very nice . Thank you, I'll be waiting and watching in the future , thank you.
Agreed, I like how thorough he is, as well as how simple he is
I studied Chemistry many years ago and was not good at it. Amazingly watching these video made the subject so clear. Thank YOU!!!
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What parameters do determine the similarity of properties of the elements in the same column (how is a "group" specified)?
does the periodicity of the elemtns change when temperature and pressure conditions change, e.g. extremities like plasma instead of gas and superconductivity close zero Kelvin?
what are the common similar properties of the third column: of lanthanide and actanide?
are the "noble elements" the same as insulators?
are matalloids the same as semiconductors?
How come you were able to explain this in less than an hour, where my professor had trouble over a 3 month period?
First
Hi hello howdy hallo greeting bless
@1:03 Hey Mac - get it right because you are a teacher, right? No, not all the elements on the periodic table are found in the human body. The human body is made up of *21 elements* from the 118 elements on Earth. These elements combine to form the molecules that make up DNA, cells, tissues, and organs. Now, go back to your studies - good boy!
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