8th Science | Chapter 5 | Inside the Atom | Lecture 1 | Maharashtra Board |
JR Tutorials・19 minutes read
The YouTube channel J and Tutorials covers science topics with a focus on the concept of items and Dalton's Atomic Theory. It explains the Plum Pudding Model by Thomson to illustrate the distribution of positive and negative charges within an item leading to electrical neutrality.
Insights
- Dalton's Atomic Theory posits that all matter is composed of indivisible items, emphasizing the fundamental building blocks of elements.
- Thomson's Plum Pudding Model illustrates the distribution of positive and negative charges within an item, highlighting how these charges balance out to maintain electrical neutrality, providing a foundational understanding of atomic structure.
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Recent questions
What is the concept of an item?
The concept of an item is explained as the smallest part of any element, like Iron, Copper, Aluminum, etc.
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Summary
00:00
"Science and Fashion: J and Tutorials Series"
- The YouTube channel J and Tutorials presents a video discussing Chapter Five of a science subject and fashion for beginners.
- The channel has completed till the ninth chapter, with 24 remaining chapters to be covered.
- Four to five lectures will be organized to complete the pending chapters.
- Viewers are encouraged to watch all videos for a comprehensive understanding of the computer science syllabus.
- The concept of an item is explained as the smallest part of any element, such as Iron, Copper, Aluminum, etc.
- Dalton's Atomic Theory is discussed, emphasizing that all matter is made up of indivisible items.
- The theory states that items cannot be further divided and are indestructible.
- The concept of molecules forming when multiple items come together is explained.
- The Plum Pudding Model by Thomson is mentioned, highlighting the presence of negatively charged particles within items.
- The weight distribution of items and elements is compared, with an emphasis on the equal distribution of weight in items.
12:21
"Plum Pudding Model Explains Electrical Neutrality"
- NH28 particles are present near the item, about eight hundred times less than hydrogen atoms, with a size approximately eighteen hundred times smaller than a hydrogen atom.
- The negatively charged particle named electron is discussed, explaining that items are electrically neutral when fully charged.
- Thomson's Plum Pudding Model is introduced, emphasizing the presence of positive and negative charges within an item, leading to electrical neutrality.
- The Plum Pudding Model, introduced by Thomson in 1904, describes the distribution of positive and negative charges within an item.
- The model explains that positive and negative charges within an item cancel each other out, resulting in electrical neutrality.
