Radioactivity and Radiation notes
21 notes by 21 users
This Radioactivity and Radiation page gathers a small set of user-made notes on atomic structure, half-life, radiation and safety. They give school students material for studying these topics and teachers ready-made material to share, mainly at school level. Pick a note to start exploring.
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- Atomic Structure and Isotopes31
- Types and Properties of Ionising Radiation119
- Radioactive Decay and Nuclear Equations69
- Half-Life58
- Background Radiation and Detection9
- Uses of Radiation and Radioisotopes72
- Radiation Hazards and Safety18
- Nuclear Fission and Fusion31
- Electromagnetic Radiation and the Spectrum23
Notes
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Radiation Dangers of radiation Ionising radiation includes X-rays, protons, neutrons, alpha, beta and gamma radiation. Such radiation damages molecules such as DNA directly, or by producing atoms with free radical electrons (kn...
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radioactive Artificial radiation You should know some of the sources of artificial background radiation. Sources There is little we can do about natural background radiation. After all, we cannot stop eating, drinking or breathin...
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P6 - Revision Summary The three particles found in an atom are protons, neutrons and electrons. Of these, protons and neutrons are found in the nucleus. An unstable atom is an atom which, due to the amounts of protons, and neutrons, is rad...
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Science revision for up-coming exams - created from Mind Map Half life: when radioactive sources give out radiation, they start to decay The time it takes for half of the number of radioactive particles decay is called half life 1.In a radioactive substance, unstable atoms deca...
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Fission, Fusion, Half life and Radioactivity RADIATION: Background radiation is everywhere but is in very small quantities coming form natural and artificial cources Cosmic radiation is from space and is always brought to earth
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b) radioactivity Radioactivity 7.2) Describe the structure of an atom in terms of protons, neutrons and electrons and use symbols such as 146C to describe particular nuclei. The number of electrons in an atom is always the same as the...
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Physics 2.5 What happens when radioactive substances decay, and the uses and dangers of their emissionsLearning Objectives:understand the properties of different types of nuclear radiation understand what happens to radioactive s...
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P6 Radioactive Materials Revision Atomic structure and radiation Structure of the atom Atoms contain three sub-atomic particles called protons, neutrons and electrons. The protons and neutrons are found in the nucleus at the centre of the atom. The pr...
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Radioactivity DA Physics Key Points Atoms are naturally electrically neutral Radioactivity = Unstable Nucleus Plum Pudding Model Radioactivity, Isotopes & Atoms Plum Pudding Model Electrons are dotted throughout the atom like currents in a bu...
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Radioactivity Radioactivity refers to the spontaneous emission of radioactive particles from unstable nuclei of element isotopes.There are three types of radioactive emissions, alpha, beta and gamma. Unstable Nuclei:The neutron to ...
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Untitled alpha particle: 2 protons, 2 neutrons. energy of about 5MeV, so they are able to ionize many atoms before losing all kinetic energy, which makes them quite dangerous to humans, as they can destroy tissue and stuff. &n...
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P6 OCR 21st century revision P6 REVISION:- RadioactivityThe nucleus of an atom contains protons and neutrons which make up most of the mass of the atom as electrons make up virtually no mass. Radioactive elements emit ionising radiation : This is...
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Ionising Radiation Types of Ionising Radiation Alpha Radiation: Consisting of an alpha particle, or a helium 4 nucleus. Stopped by paper. Beta Radiation: A neutron is converted into a proton and an electron, the electron is ejected and ...
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Danger from Radioactive Materials DANGER FROM RADIOACTIVE MATERIALS:Protecting yourself:Radioactive sources must be stored safely in a labelled lead boxKeep exposure time shortNO SKIN CONTACTWorking with nuclear radiation:Industrial nuclear workers we...
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Nuclear Fission/Fusion Fission = splitting Nuclear fission = the process of splitting a nucleus Nuclear reactors use a type of nuclear reaction called nuclear fission. Another type of nuclear reaction - nuclear fusion - happens in the...
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Nuclear Radiation - created from Mind Map Alpha Beta Gamma
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capacitors vs radioactivity
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Physics Unit 2
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Untitled December 28. Pg 4. Beta Minus Decay: Because the Q value is quoted using the ground states of the parent and daughter atoms, the actual Q value may be different. Because different transition atoms are possible, the ac...
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P2.7 an unstable nucleus becomes more stable by emitting an alpha or a beta particle or a gamma radictiation. an alpha particles consist of two protons and two neutrons. When an unstable particle emits an alpha...
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Harmful effects of radiation( nuclear station) ionising radiation can break molecules in cells into bits alpha beta and gamma rays contamination and irradiation study has a large sample size study conducted by a well known university and the government closing nuc...
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About radioactivity and radiation notes
GoConqr OriginalRadioactivity and radiation notes
These notes offer different starting points for studying the unit. Radioactivity introduces unstable nuclei and radioactive emissions. For atomic structure, the notes on radioactive materials describe protons, neutrons and electrons. Fission, Fusion, Half life and Radioactivity also covers background radiation from natural and artificial sources.
Choose a path through the notes
Start with the atomic structure notes if you want to establish the parts of an atom before reading about radiation. Then use Ionising Radiation to study types of emissions. When you reach half-life, read the notes that explain decay over time and write a short summary in your own words.
For a different focus, Danger from Radioactive Materials covers protective measures and safe storage. Teachers can use it as a starting point for a class discussion about safety.
After reading, switch to a quiz on the unit page to check your understanding, or use flashcards to review key terms. Choose a note that matches the topic you are studying.
Frequently asked questions
Which note is a useful place to start?
Start with the notes on radioactive materials if you want to review atomic structure first. They describe protons, neutrons and electrons. If you already feel comfortable with that, Radioactivity is another starting point for reading about unstable nuclei and radioactive emissions.
What topics do these notes cover?
The notes cover atomic structure, radioactive emissions, half-life, fission, fusion and background radiation. Ionising Radiation looks at types of emissions, while Danger from Radioactive Materials discusses protective measures. You can choose a note based on the part of the unit you are studying.
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.