Chemistry

Chapter 2 Elements and the annual Table STSE Assignment Warm-Up! Who designed the periodic confuse? How many drafts were designed and by whom so sensationr the final repeat was agreed upon? How is the periodic table an all-important(a) component of scientific studies? How has its study and properties contributed to modern science? impart a negligible of 150 words and do non exceed two hundred words. [5 marks] Definitions: 1. Atom: 2. nuclear circle unit: 3. Atomic act: 4. Mass number: 5. Atomic symbol: 6. Isotopes: 7. Radioactivity: 8. Radioisotopes: 9. Periodic table: 10. Periodic lawfulness: 11. Energy levels: 12. Periodic trends: 13. valence electrons: 14. Lewis structure: 15. Octet rein: 16. Ion: 17. Anion: 18. Cation: 19. Ionization energy: 20. negatron affinity: [20 marks] Following atomic number 18 three chemis try relate topics. You ordain work in pairs for this. Pick any two of the three and flesh unwrap the research as the topic requires. It is pass judgment that each person in the pair will do one topic. If one person ends up doing both, the partner will not be given a grade.

You must complete this at your own time. Please provide a in effect(p) attend of references using APA format for ALL of your research in this assignment. [See wedded rubric for marks] 1. How scientists visualize the atom has changed greatly since Dalton proposed his atomic theory in the early nineteenth century. Technology has com pete an all-important(a) role in these chan! ges. At a library or on the internet, research the key modifications to the model of the atom. make piss a summary chart to show your findings. Include Daltons model in it as well. Also include the scientists involved, the technologies they used, the discoveries they made, and the bear on of their discoveries on the model of the atom. If you wish, you can use a compose organizer to display your information. Your final report must be clear, concise, and...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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