Atomic Structure notes
21 notes by 20 users
This Atomic Structure page on GoConqr gathers notes on particles, energy levels, X-rays and radioactivity. School students can use them to study these topics, and teachers can find material for lessons. The collection has more than 10 notes, mostly at school level. Pick a topic and start reading.
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- Atomic Models and Their Development73
- Subatomic Particles and the Nucleus20
- Atomic Number, Mass Number and Isotopes19
- Electron Configuration and Quantum Numbers6
- Electron Energy Levels and Atomic Spectra22
- Radioactivity and Radioactive Decay100
- Nuclear Radiation: Types, Hazards and Uses16
- Nuclear Reactions, Fission and Fusion12
Notes
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The Electron: X-Rays X-Rays X-rays are electromagnetic radiation of extremely high frequency They can penetrate certain material, such as clothing or muscle, but not denser material, such as metal or bone X-rays are capable of ionisa...
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Atomic Structure Model of the Atom In 1804 John Dalton agreed with Democritus that matter was made up of tiny spheres (atoms) that couldn't be broken up Said each element was made up of different type of atom Nearly 100 years la...
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Topic 4E: atomic nucleus Atom: the smallest unit of matter that retains all of the chemical properties of an element. Atoms combine to form molecules, which then interact to form solids, gases, or liquids. Atoms are made up of subatomic parti...
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Untitled ...
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Radioactivity Structure of an Atom Neutron: uncharged particle in the nucleus of an atomProton: roughly same mass as neutron; positively chargedElectron: almost no mass; negatively chargedNuclei Notation-chemical symbol (e.g. C for...
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Radiation Nuclear Radiation Nuclear Decay and Radiation - Some atomic nuclei are unstable and give out radiation in order to become more stable - The type of radiation emitted depends on why...
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Atomic and nuclear structure Alpha-particle scattering experiment *https://www.youtube.com/watch?v=dNp-vP17asI&t=4s https://www.youtube.com/watch?v=1EdTw4I6L0U Alpha particle aka helium nucleus
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Energy Levels, Excitation and Fluorescence Energy Levels, ExcitationGround state - electrons are in their lowest energy stateExcitation - electron gains exact amount of energy to move up to a higher energy levelIonisation - electron gains enough energy to leav...
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Niels bohr y su modelo atomico biography of niels Henrik bohr : biografía de niels bohr niels bohr Niels Henrik David Bohr was born on October 7, 1885 in Denmark’s capital city, Copenhagen. He was the second of three children in a prosperous, upper...
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The Electron: Photoelectric Effect Photoelectric Effect The photoelectric effect is when electrons are emitted from the surface of a metal due to electromagnetic radiation hitting the metal It is the opposite of the X-ray effect Photons Bundles of ligh...
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Radioactivity Radioactivity Discovery of the Nucleus J.J Thomson's original 'Plum pudding' model, suggested the atom consisted of a positive charge with electrons dotted throughout like currents in a bun.This model was improved by ...
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Nuclear Physics History1895 (Röntgen) Systematic study of cathode rays Rays absorbed by different materials X-rays 1896 (Becquerel) U salts fluoresce when exposed to sunlight Do they emit other types of radiation? Placed U salt over ...
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The Bohr Theory The Bohr Theory - Summarised In 1913, the Danish scientist Niels Bohr put forward his theory of energy levels in an atom. He based his theory on the analysis on the emission spectra he obtained through excited hydroge...
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Atomic structure Alpha-particles scattering and the nucleus(alpha particles - smaller than atoms and had high kinetic energies) - useful in experiments to find composition of atoms.Rutherford noticed that most of alpha particles passe...
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GCSE Physics - created from Mind Map Term 1 Atomic structure nucleus contains protons and neutrons
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physics content page 1 atomic structure 1 isotope ~ATOMIC STRUCTURE~nuclide notation = nucleus of the atoma - mass number (protons + neutrons) X - to find neutron number: mass number-atomic number)z - proton number (atomic nu...
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P6 - Radioactive Materials
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atomic theory explains radioactivity In the terms of atomic number and mass number, what is an isotope?What changes occur within the nucleus when the atom is under radioactive decay?What's fission? What's fusion?What are the major types of radiation Wow ...
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2.3.3 Explain how the lines in the emission spectrum of hydrogen are related to electron energy levels e You can line up the lines in the emission spectrum with where those energy levels are on the atoms (works best with hydrogen) HEAT, ELECTRICITY, LIGHT = ENERGY
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Subatomic particles and charge
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Physics - Particles (AS section 1) Atomic Structure In the atom, there are three subatomic particles- Protons, Neutrons and Electrons. The nucleus contains the P and N - known as nucleons and orbiting the atom are the electrons.
More Atomic Structure resources
About atomic structure notes
GoConqr OriginalExplore Atomic Structure notes
These notes offer several ways into the unit. One Radioactivity note introduces protons, neutrons and electrons, while Atomic structure covers alpha-particle scattering and the nucleus. For energy changes, Energy Levels, Excitation and Fluorescence describes ground states and excitation. Other notes focus on X-rays, the photoelectric effect and nuclear radiation.
Study with the notes
If you are starting with particles, the Radioactivity note on atomic structure is a useful place to begin. Read a section, then cover it and explain the idea in your own words. Move to The Bohr Theory or the energy-level notes when you are ready to study those ideas in more detail.
Switch to a mind map on the unit page when you want a visual overview, or try a quiz to check what you remember. Choose a note that fits the topic you are studying.
Frequently asked questions
Which note is a good place to start?
If you want to begin with the particles in an atom, look for the Radioactivity note that describes protons, neutrons and electrons. If you are studying energy changes instead, Energy Levels, Excitation and Fluorescence is a more focused starting point.
What topics do these notes cover?
The collection includes notes on atomic particles and models, energy levels, X-rays, the photoelectric effect and radioactivity. Some resources focus on one idea, such as The Bohr Theory, while others, such as Nuclear Physics, cover a broader set of topics.
Are the notes free to use?
Yes. Every note listed here is free to open and study without an account. The resources were made by GoConqr users. A free account also lets you save quiz scores and make your own quizzes, mind maps, flashcards and notes.
Who are these notes for?
The collection is mostly at school level. School students can use the notes to study topics such as atomic particles and energy levels, while teachers can use them as material for lessons. Some resources mention courses or exams including GCSE Physics and A-level Physics.