Segment from the program Biochemistry I: Atoms, Ions, and Molecules. To purchase this program please visit www.greatpacificmedia.com
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www.facebook.com ... Quantum Mechanics (Chapter 2): The Structure Of Atoms. --- Please SUBSCRIBE to Science & Reason: • www.youtube.com • www.youtube.com • www.youtube.com --- 1. A Brief History Of Quantum Mechanics www.youtube.com 2. The Structure Of Atoms www.youtube.com 3. Wave Function And Wave-Particle Duality www.youtube.com 4. The Uncertainty Principle www.youtube.com 5. The Spin Of Fundamental Particles 6. Quantum Entanglement --- Atomic Structure It was during the early decades of the 19th century that the structure of atoms was coming into focus. It was known for example that a hydrogen atom contained one proton and one electron. But the scientists of the time could think of no stable arrangement of the two particles. It was known that protons in any atom were grouped in a small central region called the nucleus and that the electrons were somehow arranged at comparatively large distances outside the nucleus. But, in hydrogen, if the electron were stationary, it would fall into the nucleus since the charges on the particles would cause them to attract one another. Yet the electron couldnt be in an orbit circling the nucleus either. Circular motion requires constant acceleration of the circling body to keep it from flying away. But the electron has charge and charged particles radiate light when they are accelerating. So an electron in a circular orbit would radiate light and would spiral into the nucleus. Bohr Atom Niels Bohr proposed the first working model of <b>...</b>
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describe atomic structure, including simple electron configuration, using a periodic table
www.mindbites.com for a bundle of videos on Atomic Structure. For an even broader bundle of videos that cover Atomic Structure and Atoms, Molecules, and Ions, check out www.mindbites.com . To search for topic-specific help in our library of 400+ video products for Chemistry, please refer to our Chemistry category at: www.mindbites.com . To check out our full Chemistry video course, with 300+ videos included, refer to: www.mindbites.com . Or, for access to this single video, go to: www.mindbites.com . Professor Harman explains isotopes and atomic mass in this lesson covering atomic structure. Most elements exist in nature as more than one isotope. Isotopes are atoms that have the same number of protons as the element but a different number of neutrons. The number of protons always remains the same, as this number (also known as the atomic number) is what determines the element. Prof. Harman also introduces atomic mass units, or amu's, which are a more convenient unit for describing the very small masses of atoms. Next, Professor Harman explains more about the masses of elements. The amu is derived from carbon 12 and is equal to 1.6605 x 10^-27. The relative atomic mass listed on the periodic table of the elements is a weighted average of the masses of the isotopes of an element. You might also observe that the mass of an isotope is less than the sum of masses of its nucleons and electrons. Professor Harman explains the relationship between mass and energy that Einstein <b>...</b>
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This video relates to GCSE science or AQA GCSE science. It is a video that shows you how to label atoms, identify atoms and draw atoms with the correct number of protons, electrons and neutrons. This is for the new Core Science course and the current (last exam summer 2012) Additional Science course.
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Free Science Help at Brightstorm! brightstorm.com The structure of the atom.
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As metallic, ionic and covalent bonds are investigated, the world of interatomic bonds and forces dealing with ions, atoms, valence and polarity, and Van der Walls forces are also explored. 23 minutes, color. Direct link to purchase the DVD: www.phoenixlearninggroup.com
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Schrodinger, Heisenberg and many others came up with our modern model of the atom, the quantum-mechanical model.
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Democritus, Leucippus, Dalton, Thompson, Rutherford and Bohr...all of their contributions to the modern model of the atom are outlined. The gold-foil experiment is also detailed.
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In this video, the crystal structure of the ribosome reveals many insights into the molecular mechanism of translation. This video is from: Essential Cell Biology, 3rd Edition Alberts, Bray, Hopkin, Johnson, Lewis, Raff, Roberts, & Walter ISBN: 978-0-8153-4129-1
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Atomic structure, classification of elements and periodicity in properties - These concepts are explained in this video
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This excludes quantum theory, atomic spectra and spdf electronic configuration. These have been dealt with separately and substantively in a separate series called "Atomic Theory". All the relevant questions in 7 past papers are considered with revision built in. Frank Scullion Production and Recording: Frank Scullion
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This Chapter has briefly reviewed the structure of the atom and the atomic theory. This includes some history about how the electron, proton, and neutron were discovered and characterized.
Subatomic Particles The basic conception of a subject now known as subatomic particle physics dates back to 500 BC when the Greek philosopher Leucippus and his pupil Democritus suggested that matter consists of small, indivisible particles, which they called atoms. For more than 2000 years after this, the notion of atoms lay in obscurity. For quite a long time, people believed that all matter consisted of four elements: earth, fire, air, and water. We now know that atoms do exist, and that some particles smaller than atoms also exist. These subatomic particles are divided into two main groups, the leptons and the hadrons. The best known lepton ("light" particle) is the electron. In order to account for the emission of electrons from the nucleus, the neutrino, an essentially massless neutral particle was postulated. The muon and the tau, both much more massive than the electron, comprise the rest of the lepton family. The hadrons are divided into two groups, the mesons and the baryons. Protons and neutrons are baryons. Mesons and baryons are made of smaller particles called quarks. There are six different quarks: up, down, charmed, strange, top, and bottom. While these are cool names, they convey nothing about the distinct properties of the quark. Each quark comes in three different colors: red blue and green. Again, the color label has nothing to do with the quark's appearance. Baryons are composed of three quarks, mesons are composed of a quark and an antiquark. Now that <b>...</b>
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This is the Atomic Structure PowerPoint lesson taught on Friday, August 2nd. The original Power Point is located in the PowerPoint folder on Mr. Hayes' Website.
6 consecutive sets of past paper questions with answers and discussions Frank Scullion Presentation and Production: Frank Scullion
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A crack team of PhD-trained golden retrievers illustrate the structure of atoms - the particles that make up everything around you. They also show how atoms are weirder than you might think.
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Introduction to Organic Chemistry Part 1 (of 5) Atoms, Atomic Orbitals, Periodic Table and Trends This video begins to address a number of important chemistry topics essential to understand organic chemistry. Many of my students struggle with organic chemistry simply because they forgot these basic chemistry concepts. This video covers the following. - atom basics, subatomic particles, isotopes - atom overview, structure, shells, valence electrons - periodic table, group names and characteristics - periodic table trends - electronegativity and atom size See all 5 parts to ensure you are ready to understand organic chemistry Part 1 - Atom, Atomic Structure, Periodic Table Part 2 - Atomic Orbitals, Electron Configuration, Lewis Dot Structure Part 3 - Octet Rule, Bonding: Ionic, Covalent, Polar Covalent Part 4 - Hybridization, Orbitals, geometry Part 5 - Lewis Bond Structure, Drawing Organic Molecules Find me on the web: Website: leah4sci.com Facebook facebook.com Twitter: twitter.com Please post questions/comments below or email to: Tutorials@Leah4sci.com
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A spectroscopic instrument can resolve two nearby wavelengths lambda and lambda+delta lambda if lambda/delta lambda is smaller than 8000. This is used to study the spectral lines of the Balmer series of hydrogen. Approximately how many lines will be resolved by the instrument.
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Check us out at www.tutorvista.com Atomic Structure To review, an atom consists of a small, dense nucleus containing all of its protons and neutrons, surrounded by electrons that fill the remaining volume of the atom. The atom stays electrically neutral because the number of protons and electrons are usually equal. In this section, the structure of atoms and the chemical properties will be studied, and the number of electrons and the way they are distributed generally determine them. Chemical Bonding: Introduction Atoms of almost every element has the ability to combine with other atoms to form more complex structures. The forces of attraction that bind them together are chemical bonds. To understand chemistry, the nature and origin of chemical bonds is important, since the basis of chemical reactions is the forming and the breaking of bonds and the changes in bonding forces. There are two main classes of bonding forces: covalent bonds and ionic bonds. Covalent bonding deals with the sharing of electrons between atoms. Ionic bonding deals with the transfer of electrons between atoms.
The nucleus of an atom is made of Protons and Neutrons. The protons have a positive charge and Neutrons have a neutral charge. Spinning around the nucleus are negatively charged Electrons. An atom is identified by a number corresponding to the number of protons in the nucleus and a name. As an example, an atom with one proton and one electron is identified by the number one and the name Hydrogen and written as 1H. An atom with two protons and two electrons is identified by the number two and the name Helium and is written as 2He. The Carbon atom is composed of six protons, six electrons and six neutrons and is written as 12C.
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The Nano Brothers explain the structure of an atom with the help of a volunteer and some cool lighting effects!
How to describe the relation between the energy levels and orbitals? Energy levels and orbitals - Ch.1 (atomic structure) - Chemistry - edu4free
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This was my first video ever made... Thats kinda lame considering the fact that I'm turning 17 soon xp I had no help with it, beside music selection so was hard =P But i think i did a pretty okay job (: Enjoy! (: Background music is Hey soul sister (instrumental) by Train
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I look at some scientific ideas that interest me, this is generally going to be a free thought exercise talking about things I enjoy. This is not intended as a political or theological statement, I'm not willing to discuss either of those. "Mariarchi snooze" Kevin MacLeod (incompetech.com) Licensed under Creative Commons "Attribution 3.0" creativecommons.org
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www.youtube.com Originally posted in the link above: Note this material interfaces with the findings of Atomic Theorist Dr. Robert Moon. See also:www.youtube.com These ideas confirm the work of Moon which shows that the nuclear theory of the atom has always been false and was constructed upon many absurd ideas which were never tenable. The major problem with Moon's theory is holding on to the theory of orbiting electrons, which sa centrally fallacy in the debunked nuclear atom model. There are no orbiting electrons in atoms. Electrons are discharging electric vortices and emission products not electrical ball bearings orbiting a nucleus filled with protons and neutrons. See : DB Larson's: "The Case Against the Nuclear Atom" This is a complete demolition of the historical quackery which produced the fake Rutherford-Bohr nuclear theory of the atom which has enslaved mankind to a false "psyence". library.rstheory.org Now we have a model of geometric atomic construction which we can easily see fractalized at the level of our sensory perceptions in the forms of crystals based on sacred Geometry and the Platonic Solids. See "Geometric Basis for the Periodicity of the Elements," www.21stcenturysciencetech.com Ultimately these ideas about geometric construction of atoms, support the Cosmology Walter Russell authored in 1926 which was the Electric Universe Model explained with Sacred Geometry. The ideas of: nuclear fusion and orbiting electrons are wrong and need to be discarded <b>...</b>
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better sound quality- www.youtube.com Another dated yet informative video describing the wave mechanical model. More vids- www.shep.net More info- en.wikipedia.org
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