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Each student will receive a different and random set of 12 questions covering Chapter 21 for a total of 34 points. There is no pausing, so once you start, you must finish the quiz. You will have 30 minutes to complete the lecture quiz, after which the quiz will auto-submit with the questions you have answered in that 30-minute time frame.

BONUS: What is oxidized and what is reduced in the following reaction? 2Al + 3Br2 → 2AlBr3

Without consulting an electronegativity table, a polar covalent bond is found in which of these compounds?

The electronegativity is 2.8 for Br and 3.0 for Cl. The compound BrCl contains

The electronegativity is 2.5 for C and 3.0 for Cl. The carbon tetrachloride molecule, CCl4, is ________.

Congratulations! You have completed the second exam. Please upload your scratch paper with the work for your free response problems using the Exam 2 Upload link in Canvas within 15 minutes of submitting this exam. Make sure your work is labeled with the proper free response question number. Circle your final answers and include units. These answers must match the answers you submitted above.   Upload all work in ONE PDF or JPEG file.  

Which substance is most likely to be miscible (soluble) with water?

Based on trend, which of the following elements has the lowest electronegativity?

The electronegativity is 2.1 for H and 2.5 for S . The molecule H2S is ____________.

Please ensure that your camera is set up to show your workspace and your face. At this time show the front and back of your scratch paper, periodic table, and naming compounds and solubility rules chart to the camera so I can see that they are not written on. Show your calculator so I can see the type of calculator you are using. Please keep your hands visible in the camera. I understand that they may be out of view when reaching to move to the next question or to use the online calculator but please keep them above the table and do not reach off to the sides.  Now answer the following true or false question to earn a bonus point: I have done the above requirements, read the exam and Honorlock instructions, and understand that failure to follow all instructions will result in a zero on my exam.