Drawing an Electron-Shell Diagram for Oxygen
Order ID |
53563633773 |
Type |
Essay |
Writer Level |
Masters |
Style |
APA |
Sources/References |
4 |
Perfect Number of Pages to Order |
5-10 Pages |
Description/Paper Instructions
Drawing an Electron-Shell Diagram for Oxygen
- Draw an electron-shell diagram for oxygen (8 protons, 8 electrons).
– Electrons of which shell are shared with other atoms?
-How many unpaired electrons are available for sharing with other atoms?
- Using the electron-shell diagram for oxygen you created in the previous question, predict what molecule would result if oxygen were combined with hydrogen atoms (1 proton, 1 electron).
-Draw the electron-shell diagram for hydrogen
-Draw the molecule that would most likely result if Oxygen were combined with Hydrogen.
-What type of bonding exists in this molecule? WHY?
Chapter 3- Water and the Fitness of the Environment
- What type of bonding exists WITHIN a single water molecule?
- Label the partial positive and partial negative charges associated with the atoms the water molecule pictured below.
- As a result of the partial positive and partial negative charges associated with the atoms of the water molecule identified in the previous question, what type of bonding can exist AMONG water molecules?
- Is the association of the two water molecules pictured below likely? WHY?
- Draw a more likely association of two water molecules.
- What is the maximum number of water molecules that one water molecule associate with?
- What is the major difference, in terms of hydrogen bonding, among water molecules in frozen water, liquid water and water vapor?
Draw at least 4 additional water molecules in each illustration.
Frozen water (ice) |
Liquid Water |
Water vapor |
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- Which of the following substances have the highest specific heat? WHY?
- Water = 1 cal/g/ºC
- ETOH = 0.6 cal/g/ºC
- Fe = 0.1cal/g/ºC
- How does water having a high specific heat help permit life on Earth?
- How does water having a high heat of vaporization help permit life on Earth?
- How many grams of the molecule in this figure would be required to make 1 L of a 0.2 M solution of the molecule? (Carbon = 12, Oxygen = 16, Hydrogen = 1)
- How many grams of the molecule would be required to make 2 Liters of a 4 M solution of the molecule?
- What is the pH of a solution with a concentration of 10-8 H+ ions?
-What is the concentration of OH- ions in this solution?
- The pH of a solution is 5. What is the OH- ion concentration?
- If the pH of a solution is increased from pH 8 to pH 9, it means that the
- concentration of H+ is 10 times greater than what it was at pH 8.
B . concentration of H+ is 100 times less than what it was at pH 8.
C . concentration of OH- is 10 times greater than what it was at pH 8.
D . concentration of OH- is 100 times less than what it was at pH 8.
E . concentration of H+ is greater and the concentration of OH- is less than at pH 8.
- Buffer: acid-base pair that work together to maintain pH of a solution
-Which part is called into action when a base is added?
-Which part is called into action when an acid is added?
-What does the acid part do?
-What does the base part do?
- The pH of human blood is approximately 7.4. The buffer that maintains human blood pH is the acid-base pair HCO3-/H2CO3.
- Human blood is ____________.
- slightly basic
- slightly acidic
- neutral
- When a human drinks a large amount of pH 6 fluid the pH of the blood would initially_________.
- Increase slightly
- Decrease slightly
- Stay the same
- What part of the acid-base pair of the buffer that maintains human blood pH would be called into action when a human drinks a fluid at pH 6?
- HCO3-
- H2CO3
- Briefly describe how the buffer described in part C would function.
Chapter 4- Carbon and the Molecular Diversity of Life
- What products were made in Stanley Miller’s experiment?
2A. Draw the electron configuration for Carbon (atomic number 6).
2B. Why do you think this atom is the backbone of all organic macromolecules that make-up living organisms?
- Look at the figure below and determine which pair(s) of molecules is (are) isomers of each other, identifying the type(s) of isomers.
- Circle and name the functional group(s) present in the following molecules.
RUBRIC
QUALITY OF RESPONSE |
NO RESPONSE |
POOR / UNSATISFACTORY |
SATISFACTORY |
GOOD |
EXCELLENT |
Content (worth a maximum of 50% of the total points) |
Zero points: Student failed to submit the final paper. |
20 points out of 50: The essay illustrates poor understanding of the relevant material by failing to address or incorrectly addressing the relevant content; failing to identify or inaccurately explaining/defining key concepts/ideas; ignoring or incorrectly explaining key points/claims and the reasoning behind them; and/or incorrectly or inappropriately using terminology; and elements of the response are lacking. |
30 points out of 50: The essay illustrates a rudimentary understanding of the relevant material by mentioning but not full explaining the relevant content; identifying some of the key concepts/ideas though failing to fully or accurately explain many of them; using terminology, though sometimes inaccurately or inappropriately; and/or incorporating some key claims/points but failing to explain the reasoning behind them or doing so inaccurately. Elements of the required response may also be lacking. |
40 points out of 50: The essay illustrates solid understanding of the relevant material by correctly addressing most of the relevant content; identifying and explaining most of the key concepts/ideas; using correct terminology; explaining the reasoning behind most of the key points/claims; and/or where necessary or useful, substantiating some points with accurate examples. The answer is complete. |
50 points: The essay illustrates exemplary understanding of the relevant material by thoroughly and correctly addressing the relevant content; identifying and explaining all of the key concepts/ideas; using correct terminology explaining the reasoning behind key points/claims and substantiating, as necessary/useful, points with several accurate and illuminating examples. No aspects of the required answer are missing. |
Use of Sources (worth a maximum of 20% of the total points). |
Zero points: Student failed to include citations and/or references. Or the student failed to submit a final paper. |
5 out 20 points: Sources are seldom cited to support statements and/or format of citations are not recognizable as APA 6th Edition format. There are major errors in the formation of the references and citations. And/or there is a major reliance on highly questionable. The Student fails to provide an adequate synthesis of research collected for the paper. |
10 out 20 points: References to scholarly sources are occasionally given; many statements seem unsubstantiated. Frequent errors in APA 6th Edition format, leaving the reader confused about the source of the information. There are significant errors of the formation in the references and citations. And/or there is a significant use of highly questionable sources. |
15 out 20 points: Credible Scholarly sources are used effectively support claims and are, for the most part, clear and fairly represented. APA 6th Edition is used with only a few minor errors. There are minor errors in reference and/or citations. And/or there is some use of questionable sources. |
20 points: Credible scholarly sources are used to give compelling evidence to support claims and are clearly and fairly represented. APA 6th Edition format is used accurately and consistently. The student uses above the maximum required references in the development of the assignment. |
Grammar (worth maximum of 20% of total points) |
Zero points: Student failed to submit the final paper. |
5 points out of 20: The paper does not communicate ideas/points clearly due to inappropriate use of terminology and vague language; thoughts and sentences are disjointed or incomprehensible; organization lacking; and/or numerous grammatical, spelling/punctuation errors |
10 points out 20: The paper is often unclear and difficult to follow due to some inappropriate terminology and/or vague language; ideas may be fragmented, wandering and/or repetitive; poor organization; and/or some grammatical, spelling, punctuation errors |
15 points out of 20: The paper is mostly clear as a result of appropriate use of terminology and minimal vagueness; no tangents and no repetition; fairly good organization; almost perfect grammar, spelling, punctuation, and word usage. |
20 points: The paper is clear, concise, and a pleasure to read as a result of appropriate and precise use of terminology; total coherence of thoughts and presentation and logical organization; and the essay is error free. |
Structure of the Paper (worth 10% of total points) |
Zero points: Student failed to submit the final paper. |
3 points out of 10: Student needs to develop better formatting skills. The paper omits significant structural elements required for and APA 6th edition paper. Formatting of the paper has major flaws. The paper does not conform to APA 6th edition requirements whatsoever. |
5 points out of 10: Appearance of final paper demonstrates the student’s limited ability to format the paper. There are significant errors in formatting and/or the total omission of major components of an APA 6th edition paper. They can include the omission of the cover page, abstract, and page numbers. Additionally the page has major formatting issues with spacing or paragraph formation. Font size might not conform to size requirements. The student also significantly writes too large or too short of and paper |
7 points out of 10: Research paper presents an above-average use of formatting skills. The paper has slight errors within the paper. This can include small errors or omissions with the cover page, abstract, page number, and headers. There could be also slight formatting issues with the document spacing or the font Additionally the paper might slightly exceed or undershoot the specific number of required written pages for the assignment. |
10 points: Student provides a high-caliber, formatted paper. This includes an APA 6th edition cover page, abstract, page number, headers and is double spaced in 12’ Times Roman Font. Additionally, the paper conforms to the specific number of required written pages and neither goes over or under the specified length of the paper. |
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