All Atomic structure articles – Page 6
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ResourceOn This Day – Aug 02 : Discovery of positrons
He was examining chamber photographs of cosmic rays when he realised that the tracks orientation revealed the existence of positively charged particles too small to be protons. These sub-atomic particles have the same mass as an electron, but with a positive charge.
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Resource28 chemistry puzzles for 14-16 years
Use these sudoku-inspired puzzles with printable worksheets and answers to help 14–16 year olds consolidate their understanding of key chemical concepts.
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Resource45 chemistry puzzles for 16-18 years
Try these chemistry puzzles based on sudoku to help 16–18 year old students consolidate their knowledge about key topics, with printable worksheets and answers.
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FeatureChemical Bonding
A masterclass in teaching the topic of bonding, basing chemical explanation on physical forces
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FeatureFour Curie centennial elements
The four Curie elements provide us with an interesting tour of the bottom of the periodic table
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ReviewChemistry3: introducing inorganic and physical chemistry
Andrew Burrows, John Holman, Andrew Parsons, Gwen Pilling and Gareth Price
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FeatureIda Noddack and the missing elements
Distinguished women chemists were rare in the early 20th century, but their contributions to chemistry are of great significance. Ida Noddack's scientific career centred around her intensive study of the Periodic Table, and resulted in her discovery, with husband Walter Noddack and physicist Otto Berg, of the metal rhenium, and of nuclear fission in the search for element 93.
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Lesson planAtoms and atomic structure: a ‘similar and different’ activity | 16-18 years
Help students consolidate their ideas about atoms and atomic structure, working in pairs to identify key concepts, using this lesson plan for 16–18 year olds.
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Lesson planUnderstanding the structure of atoms | 14–16 years
Check your learners’ understanding of atomic structure using self assessment in this lesson plan with activities