It covers the areas of the Physics foundation paper. Sign in, choose your GCSE subjects and see content that's tailored for you. The mass of electrons is often not considered to be significant. With the wrong number of neutrons, nuclei can fall apart. A nucleus will regain stability by emitting alpha or beta particles and then cool down by emitting gamma radiation. Nuclei with too many, or too few, neutrons do exist naturally but are unstable and will decay by emitting radiation. Read about our approach to external linking. For example carbon, carbon-12 is stable and has six protons and six neutrons. Our tips from experts and exam survivors will help you through. This Higher GCSE BBC Bitesize video is from the original programmes from 2000 that were broadcast on BBC2. For example carbon, carbon-12 is stable and has six protons and six neutrons. The radius of the nucleus is very much smaller than that of the atom. - OCR 21st Century, Home Economics: Food and Nutrition (CCEA). The number of protons is what defines the. For example lead, lead-206 has 82 protons and has 124 neutrons. In a neutral atom, the number of electrons is always the same as the number of protons. of the atom. However as the number of protons increases, more neutrons are needed to keep the nucleus stable. , are stable if they have the same number of neutrons and protons. - OCR 21st Century, How can radioactive materials be used safely? This GCSE BBC Bitesize video is from the original programmes from 2000 that were broadcast on BBC2. Read about our approach to external linking. It covers the areas of the Physics Higher paper. S. Nuclei with too many, or too few, neutrons do exist naturally but are unstable and will, Sample exam questions - atomic structure - AQA, Home Economics: Food and Nutrition (CCEA). The Higher clips are also available from this channel. Elements with fewer protons, such as the ones near the top of the periodic table, are stable if they have the same number of neutrons and protons. The total number of protons and neutrons is called the, In a neutral atom, the number of electrons is always the same as the number of protons. Protons and neutrons are the heaviest particles in an atom and as a result they make up most of the mass of the atom. This GCSE BBC Bitesize video is from the original programmes from 2000 that were broadcast on BBC2. However as the number of protons increases, more neutrons are needed to keep the nucleus stable. Our tips from experts and exam survivors will help you through. Small molecules are at least ten times larger. BBC bitesize KS4 GCSE Science AQA revision additional core physics OCR edexcel P1 P2 P3 KS4 KS3 KS5 igcse gateway 21st century With the wrong number of neutrons, nuclei can fall apart. Read about our approach to external linking. Our tips from experts and exam survivors will help you through. The number of protons is what defines the element, ie an atom with six protons in its nucleus will always be carbon, and uranium will always have 92 protons. For example carbon, carbon-12 is stable and has six protons and six neutrons. The whole Science GCSE syllabus for Core and Additional Science can be found on this channel. It covers the areas of the Physics foundation paper. A nucleus will regain stability by emitting alpha or beta particles and then cool down by emitting gamma radiation. can only be stable if it has a certain amount of, Elements with fewer protons, such as the ones near the top of the. Elements with fewer protons, such as the ones near the top of the periodic table, are stable if they have the same number of neutrons and protons. , ie an atom with six protons in its nucleus will always be carbon, and uranium will always have 92 protons. The idea of the atom has developed over time. An atoms nucleus can only be stable if it has a certain amount of neutrons for the amount of protons it has. Each element has a number of different isotopes. Atoms are very small, they have a radius of around 1 10, Protons and neutrons are the heaviest particles in an atom and as a result they make up most of the. Learn about and revise nuclear radiation, radioactive decay and half-life with GCSE Bitesize Physics. For example lead, lead-206 has 82 protons and has 124 neutrons. Each particle has its own charge and its own mass. The mass of electrons is often not considered to be significant. The modern view of the atom is of a nucleus containing protons and neutrons with smaller electrons orbiting outside the nucleus. Learn about the properties of radiation, detecting radiation, nuclear equations and background radiation with BBC Bitesize GCSE Physics. , are stable if they have the same number of neutrons and protons. Select the, \"more from,\" or type jamjarmmx into your search for the other Physics clips as well as the Chemistry and Biology clips. When nuclei are unstable they may emit ionising radiation to become more stable. Nuclei with too many, or too few, neutrons do exist naturally but are unstable and will, Sample exam questions - atomic structure - AQA, Home Economics: Food and Nutrition (CCEA). Learn about and revise nuclear radiation, radioactive decay and half-life with GCSE Bitesize Combined Science. Atoms are very small, they have a radius of around 1 1010 metres. Sele. Nuclei with too many, or too few, neutrons do exist naturally but are unstable and will decay by emitting radiation. GCSE Combined Science Radioactivity learning resources for adults, children, parents and teachers. Learn about and revise the atom, isotopes, radioactivity and half-life with GCSE Bitesize Combined Science. 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