STSE Assignment
Warm-Up!
Who designed the periodic confuse? How many drafts were designed and by whom before the final repeat was agreed upon? How is the periodic table an essential component of scientific studies? How has its study and properties contributed to modern science? Provide a negligible of 150 words and do not exceed two hundred words. [5 marks]
Definitions:
1. Atom:
2. Atomic mass unit:
3. Atomic act:
4. Mass number:
5. Atomic symbol:
6. Isotopes:
7. Radioactivity:
8. Radioisotopes:
9. Periodic table:
10. Periodic law:
11. Energy levels:
12. Periodic trends:
13. valence electrons:
14. Lewis structure:
15. Octet rule:
16. Ion:
17. Anion:
18. Cation:
19. Ionization energy:
20. negatron affinity:
[20 marks]
Following are three chemistry relate topics. You ordain work in pairs for this. Pick any two of the three and flesh out 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) list of references using APA format for ALL of your research in this assignment. [See attached 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 compete an essential role in these changes. At a library or on the internet, research the key modifications to the model of the atom. make water 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 allude of their discoveries on the model of the atom. If you wish, you can use a written 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: Orderessay
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