南开大学化学博士,UBC化学系博士后多年经验辅导AP化学,IB化学, SATII化学,十一年级和十二年级化学, 因材施教,帮你理解重点,抓住要点,取得满意考试成绩。可用中英文双语沟通。
Ph. D in Chemistry with years of experience offering chemistry tutoring on AP Chemistry, IB Chemistry, SAT Chemistry, Chemistry 11 and 12, UBC CHEM 111, CHEM 113, CHEM 121, CHEM 123, CHEM 233, CHEM 205, CHEM 203 and CHEM 213. I can teach with both English and Mandarin. Please call 604-808-6827. 南开大学化学系博士,UBC化学系博士后,多年经验辅导AP化学,IB化学,SAT化学,十一年级和十二年级化学, UBC CHEM 111, CHEM 113, CHEM 121, CHEM 123, CHEM 233, CHEM 205, CHEM 203 and CHEM 213.,因材施教,深入浅出,中英文结合,帮你理解要点,抓住重点,取得满意成绩。请电604-808-6827.
Friday, November 15, 2013
Tuesday, November 5, 2013
AP Chemistry Question of the Day --49
Welcome back to my blog. Here comes the answer to question 48 I posted earlier. The correct answer is C.
Inner electrons shield outer electrons more efficiently. As a result, the lower the principle quantum number, the closer the electron is to the nucleus, the less screening the electron feels and the higher the effective nuclear charge. Among the four choices, C is correct. 1p orbital does not exist. comparing 2s and 2p, 2s has lower energy than 2p.
Following is Question 49 of the series.
Inner electrons shield outer electrons more efficiently. As a result, the lower the principle quantum number, the closer the electron is to the nucleus, the less screening the electron feels and the higher the effective nuclear charge. Among the four choices, C is correct. 1p orbital does not exist. comparing 2s and 2p, 2s has lower energy than 2p.
Following is Question 49 of the series.
49. What is the solubility of lead (II) bromide at 298K if Ksp of lead (II) bromide is 6.6x10-6?
I will post the answer and explanation tomorrow.
Thank you very much for reading my post, I am available to discuss any topics in AP chemistry. Please give me a call at 604-808-6827 or email me at vancouverchemistrytutor@gmail.com. My website is located at www.vancouverchemistrytutor.com.
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