List the electron geometry and molecular geometry of the following compounds/ions and indicate whether each ion/molecular is polar or not.  Explain your reasons.   I suggest you draw the these molecules/ions out on a paper.  Take a picture of them and submit along with your answers if needed.NI3HCNPCl4-BrF5

A guidance counselor is planning schedules for 40 students. 16 students want to take Algebra (A) 18 want to take Biology (B) 11 want to take Chemistry (C) 5 want to take both Algebra and Chemistry and of these 5, 3 want to take Biology as well 5 want only Chemistry 8 want only Biology Remember: A = Algebra B = Biology C = Chemistry Draw and complete the Venn Diagram on your paper. Fill in the number of students for each of the numbered areas (labeled in red)  Area 1 [1]                    Area 2 [2] Area 3 [3]                    Area 4 [4] Area 5 [5]                    Area 6 [6] Area 7 [7]                    Area 8 [8]

Brad did a study of whether any of the African national flags contained the colors red or blue. Of the 53 flags he studied, 8 had neither red nor blue, 13 have both red and blue, and 38 had red.  HINT:  Draw a Venn Diagram to help solve the problem. a.  How many flags had contained the color blue? [a] b. How many flags contained the color red, but not blue?  [b]

A guidance counselor asked 60 adults whether they had studied certain subjects in school. He found that: 15 studied Algebra (A) and Biology (B) 2 studied only Biology 17 studied Algebra and Chemistry  (C) 35 studied Chemistry 18 studied Chemistry and Biology 8 studied none of these 12 studied all three subjects Remember: A = Algebra B = Biology C = Chemistry Draw and complete the Venn Diagram on your paper. Fill in the number of students for each of the numbered areas (labeled in red)  Area 1 [1]                    Area 2 [2] Area 3 [3]                    Area 4 [4] Area 5 [5]                    Area 6 [6] Area 7 [7]                    Area 8 [8]

Use the following Venn Diagram about the number of students who take each of the languages to answer the questions below. Show work on your paper to earn partial credit. a.  How many students take exactly 2 of the 3 languages?  [a] b.  How many students take English or Chinese?  [b] c.  How many students do not take English, Chinese or Spanish?  [c] d.  How many students take Spanish and Chinese?  [d] e.  How many students do not take either Spanish or English?  [e]

Subclavian steal syndrome is caused by a stenosis or occlusion of the all of the followings except  …………………………………………………………    

Transcranial Doppler (TCD) imaging was first used as a method to detect 

All are correct about strokes except ……………………………….. 

 What is the course of the ICA after it enters the cranium ? ICA will …………………………

(FAST) stands for ……………………………………                               …………………………………….                               …………………………………….                               …………………………………..