Classification of Elements and Periodicity Questions and Answers

Order the atoms in each of the following sets from the least exothermic electron affinity to the most. (Enter multiple answers as acomma-separated list.) a. N, O, F ________ b. Al, Si, P_______

A chemist adds 210.0 mL of a 2.68 x 10 M zinc oxalate (ZnC₂04) solution to a reaction flask. Calculate the micromoles of zinc oxalate the chemist has added to the flask. Round your answer to 3 significant digits.

A solution is made by dissolving 28.5 g of ammonium nitrite, NH4NO₂, in enough water to make exactly 250, m of solution. Calculate the molarity of each species: NH4NO₂ NH₂ NO₂

Write the net ionic equation for the following molecular equation. 3CuSO4(aq) + 2(NH4)3PO4(aq) —Cu3(PO4)2(s) + 3(NH4)₂SO4(aq)

4. Use the balanced equation given to solve the following problems. 2 KMnO4 + 16 HCl -> 5 Cl2 + 2 KCl + 2 MnCl2 + 8 H₂O b. How many moles of HCl are required to react with 35 grams of KMnO4?

Give all possible values of l for a n=4 sublevel. 1, 2, 3, 4 0, 1, 2, 3 3 4 -2, -1, 0, 1, 2

What feature of Postmodernism is best represented in Maxine Hong Kingston's "No Name Woman"? Truth is absolute and can be discovered through observation Use of dystopian settings to comment on contemporary life Decreasing contact with the actual, physical world A re-examination of the past through a new perspective

Look at the following electron configuration. What principle/rule does it break? [Ar]3d10 4s² 3p6 Aufbau Hund's Rule Pauli's Exclusion Principle

Experimental Procedure, Part C.1. The density of diamond is 3.51 g/cm', and the density of platinum is 21.43 g/cm³. If equal masses of diamond and platinum are transferred to equal volumes of water in separate graduated cylinders, which graduated cylinder would have the greatest volume change? Explain or show with a sample calculation.

The social environment described in "A Rose for Emily" is a crucial part of the story's setting an idealized view of Southern society an inconsequential backdrop to the main action a reflection of indifference to one's neighbors

How many electrons would be found in an atom that has the n = 1 and n = 2 energy levels complete filled? 8 4 6 10

If you want to use the examples that several authors have used to prove a point, which of the following would you do? Include them in one parenthetical citation endnote after listing the examples. Examples are treated the same way we would treat common knowledge and are not referenced. Include a citation after each example.

Which of the following is a collective noun? Cabinet Africa water tank

Which of the following would help us understand the purpose of a book? Foreword Index Glossary

Identify the type of verb used in the following sentence. The child fell asleep. Both transitive and intransitive Intransitive verb Transitive verb

Choose the correct answer. Love and anger are examples of _. collective nouns compound nouns abstract nouns