Relate the characteristics of elements and describe at least 3 elements: chemical symbol and function

1. Relate the characteristics of elements and describe at least 3 elements: chemical symbol and function 2. Define the concept of atom,describe its components and how the atom is uniquely identified 3. Differences between atomic number and atomic mass 4. Define the periodic table and importance how scientific measurement 5. What is a radioisotope? What are some ways are used in biological research, clinical medicine and oncology 6. Briefly explain the concept of Molecule 7. Distinguish among covalent bonds, ionic bonds and hydrogen bonds and why are called chemical bonds 8. Describe the importance of water and why is called "polar molecule" (Looks the figure 2-7 page 33) 9. Describe the characteristics of hydrogen bonds and importance at the nature 10. Briefly describe the concept of oxidation and reduction

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Starting with this provided code, add the following functionality

1.Starting with this provided code, add the following functionality: Replace hardcoded strings “Zero”, “One”, “Two”, “Three” in the ArrayList based on user typed input (use Scanner or JOptionPane classes). The user will be prompted for the String to be stored in the ArrayList and then hit enter. The user will be able to continue to add items to the ArrayList until they just hit enter without typing anything. Once the user does this (hits enter without typing anything), the program will display all of the elements of the ArrayList, both the index and String values, in a table. It will do this via a single loop making use of an iterator method. 2. Starting with this provided code, add the following functionality: Use a Try/Catch block so that the exception is caught and the program exits a bit more gracefully. Save this file as TryCatch.java. (Be sure to rename the Public Class accordingly.) Starting with the provided code again (without the Try/Catch block), fix the code so that

Josie Eskander

Question 1: Task 1: Report Assume you are Josie Eskander. You are writing in response to techno trading P/L’s advertisement of a new laptop at 20% below normal price. You want information on brand name, availability of service and repairs, delivery times and methods of payment. Write the letter using the seven basic parts of the letter. In the opening paragraph present a clear and courteous request. Secondly write a response from techno trading giving details and proposing the sale. Provide draft of both emails in the space below. Question 2: Task 2: Report In pairs, nominate a good and a bad letter writer. Discuss the key differences. Write a good/bad letter from techno training to Alex Antonov accepting/declining his proposal to invest in the business Question 3: Task 3: Report Write a letter from techno trading p/l to a new client ‘new realities p/l’ urging them to buy techno new virtual reality software. Make a strong argument for the product. Question 4: Task 4: Report Write a l

THE AMERICAN REVOLUTION AND THE EARLY REPUBLIC

Assignment Overview The American Revolution and Independence As we saw in the Module Overview, there were numerous factors that ultimately led to revolution and independence. In this second Case assignment, you’ll be researching and writing about some of those factors. Case Assignment Write a 3 to 4-page essay identifying at least FOUR factors which led to colonial independence. In your paper, explain which events triggered discord between the colonies and the Mother Country. Be sure to do some research on your own and use other resources to analyze the thought-processes which sparked independent thinking. The best way to approach and organize the paper would be to create a title for each event and then discuss your findings. For example; for the first one you could write, “Event 1, The Seven Years War”. This would be followed by your narrative on how this war led to independence. The rest of the paper would follow this pattern. Assignment Expectations Use concepts from the background

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