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The Chemistry talk

"The Chemistry Talk" is an engaging and informative exploration of the captivating world of chemistry. Delve into the fundamental principles that govern matter and reactions, from the mesmerizing dance of atoms to the art of molecular bonding. Discover the diverse states of matter and witness the magic of chemical reactions. From biochemistry to environmental impact, this talk unveils the wonders of chemistry and its profound significance in our daily lives. Join us on this enlightening journey

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The Atomic Playground - Knowledge about Atom Structure

We all know the phrase "Atoms are the building blocks of everything." But have you ever wondered what these tiny particles are made of or what goes on inside them? Let's take a trip into the extremely interesting atomic playground! At the very center of an atom, there is the nucleus – think of it as being densed in the atom, a heavyweight core packed with protons and neutrons. Protons possess positive electrical charge while neutrons bear no charge at all. Now here’s where things get really fascinating – whirling around this nucleus in a frenetic atomic dance are electrons. These minute negatively charged particles are arranged in shells or energy levels which lie at different distances from the nucleus. Think of it like this: The sun is to the nucleus as planets orbiting around it are to electrons (though their pathways resemble fuzzy clouds rather than fixed orbits). Electrons in the innermost shell are tightly bound whereas those in the outermost shell(s) constitute a...

Unveiling the Healing Powers of Neem: Nature's Versatile Remedy

Doesn't nature help us? Bacteria, viruses, or fungi spread in the air faster than humans and infect. But thank God! He has made such plants, which give protection against microbes. One of them is Neem tree! The scientific name of neem is Azadirachta indica, commonly known as neem, margosa, nim tree or Indian lilac. It is native to parts of the Indian subcontinent and Southeast Asia, but is naturalized and grown in tropical and subtropical areas worldwide. Neem tree is known for its drought resistance. In India, the tree is known by various nicknames such as "sacred tree," "panacea," "nature's medicine shop," "village medicine" and "aksir cure for all diseases." In the southern states of Andhra Pradesh and Tamil Nadu in the Hindu tradition, the Amman festivals fall during the summer season. There is a good reason to celebrate festivals in the summer months (during the summer season) because certain heat-related diseases such...

From Atoms to Devices: The Ubiquitous Role of Electron Excitation

How does the cornstarch jump when placed in a hot pan? Why? Because of the heat! Electron excitation is a process in which electrons gain energy and move from the ground state to a higher energy level. The excited atoms and nuclei return to the ground state, releasing this energy as visible light or gamma radiation that cannot be retained for long. Excitation is how a substance absorbs electromagnetic energy and is heated or ionised. Thanks to pixabay.com for image Why is it important to understand electron excitation? Stimulated states of atoms, energy absorption, emission properties, optoelectronic applications, and chemical synthesis can be understood from it. Also in modern chemistry, the process of correlated electron-hole pairs and the kinetic Coulomb attraction. Which determines the energy apart from the energy of the orbit. Secondary orbital relaxation and repulsion also play a role in electronic excitation processes. The methods of ...