Dative Bond Definition (Coordinate Bond)

A covalent bond forms when two atoms share electrons. The electron pair is attracted to both atomic nuclei, holding them together to form a bond. In a typical covalent bond, each atom supplies an electron to form the bond. A dative bond is a covalent bond between two atoms where one of the atoms provides both electrons that form the bond. A dative bond is also known as a dipolar bond or coordinate bond. In a diagram, a dative bond is indicated by drawing an arrow pointing from the atom that donates the lone electron pair toward the atom that accepts the pair. The arrow replaces the usual line that indicates a chemical bond. Key Takeaways: Dative Bond A dative bond is a 2-center, 2-electron covalent bond in which both electrons come from the same atom.A dative bond is also called a coordinate covalent bond or a coordinate bond.Dative bonds are common when metal ions bind to ligands. Dative Bond Example Dative bonds are commonly seen in reactions involving hydrogen (H) atoms. For example, when hydrogen chloride dissolves in water to make hydrochloric acid, a dative bond is found in the hydronium ion: H2O HCl → H3O Cl- The hydrogen nucleus is transferred to the water molecule to form hydronium, so it does not contribute any electrons to the bond. Once the bond is formed, there is no difference between a dative bond and an ordinary covalent bond. Source Greenwood, Norman N.; Earnshaw, Alan. Chemistry of the Elements (2nd ed.). Butterworth-Heinemann, 1997, Oxford.

Adam Smith and the Reasoning Behind his Thoughts on the...

The power of reasoning allows limitless inquiry into the nature of all things. Adam Smith an â€Å"enlightened† thinker utilizes reasoning to examine the wealth of nations, but in acting on this reasoning is he forcing his own sentiments into his argument, or is the reasoning creating the sentiments? Smith offers an exposition for his vision of a laissez faire economy, that is, capitalism in the modern sense. In a wider scope, Smiths account reveals his views on the nature of the human condition, and not a single theme is surveyed without an observation being made upon human tendencies and decisions. Arguably, these observations are shaped by his own sentiments. Smith makes about three claims about human nature. Primarily, Smith assumes†¦show more content†¦More so Smith is suggesting that human reason is the catalyst for trade. The ability to reason is the singular factor that allows for the development of a free market system. The divisions of labor must be controlled by a rational actor; such notions are arguably the mechanisms’ of â€Å"self love† acts as an actor which drives the capitalist machinery. The example of the pin maker illustrates this point. Lastly, Smith instills â€Å"a certain propensity in human nature; the propensity to truck, barter, and exchange one thing for another.† This, he suggests, may simply be an extension of reason. It is this final, and most specific, penchant of human nature that ensures a vague sense of self interest, coupled with reason and speech; produce a very particular kind of capitalist economic system, which he describes in the rest of the book. In speaking about labor, Smith characterizes it in a negative light. He observes the division of labor as positive to production and competition, but in the social sense sees it as a dummying of the masses. â€Å"The man whose whole life is spent in performing a few simple operations†¦ has no oc casion to exert his understanding, or to exercise his invention in finding out expedients for removing difficulties which never occur. He naturallyShow MoreRelatedNewtons Influences Of Isaac Newton And John Locke And The Scientific Revolution763 Words   |  4 Pagesintolerance is justified. Adam Smith applied another way of thinking to the science of economics. All four of these philosophes played important roles in the concepts brought about from the Enlightenment. Isaac Newton was not a part of the Enlightenment, but the concepts he introduced during the Scientific Revolution had a large influence on the ideas developed during the Enlightenment. Newton’s work consisted of mathematical theories explaining how the universe works. 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Economics and Finance for Microsoft Excel- myassignmenthelp.com

Question: Discuss about theEconomics and Finance for Microsoft Excel. Answer: Pivot Table: A pivot table is a statistical tool, useful for arranging and summarizing data in a tabular structure, which can be done in Microsoft Excel. The pivot table has provision for reorganization of rows and columns of a data set according to need and for getting the desired outcome. This operation is particularly helpful in handling and interpreting big data sets as this statistical tool does not change the data but helps in viewing and interpreting the same data from different perspectives (Dierenfeld Merceron, 2012). Tips for Pivot Table: There are several tricks and tips which can be beneficial for using Pivot Table more efficiently (Walkenbach, 2013): To find the summarization of the desired information, the following path can be followed: Pivot Table Tools - Analyze - Field Settings - Summarize value field by For proper interpretation of numerical data: Pivot Table Tools - Analyze - Field Settings - Number Format To add the personally calculated metrics: Pivot Table Tools - Analyze - Fields, Items and Sets - Calculated Field In cases where there is an error message: Pivot Table Tools - Analyze - Options - For error values show For assessing the grand total: Pivot Table Tools - Analyze - Options - Totals and Filters - Grand Totals For slicing for the derivation of the desired data: Pivot Table Tools - Analyze - Insert Slicer For slicing the concerned data such that data can be derived for a particular time period to test their value: Pivot Table Tools - Analyze - Insert Timeline For grouping the data according to categories desired: Select Data - Right Click - Group, Subtotal Apart from this many other convenient functions can be done with the help of this tool which are also easy to understand and implement. References Walkenbach, J. (2013).Excel 2003 bible(Vol. 36). John Wiley Sons. Walkenbach, J. (2013).Excel 2013 formulas. John Wiley Sons.

Policy Monitoring and Enforcement Strategy Essay Example

Policy Monitoring and Enforcement Strategy Essay The possibility of abuse of companys resources is a real risk that can lead to regulatory noncompliance Monsoons, 2011). To ensure the companys profitability and survivability would need strict enforcement of security policies. The two most monitoring and enforcement policies I would be most concerned about is, Access Control, and virus protection. The monitoring regulations I would rely on for this activity are audit trails provided by logs, and ISO 27001/27002 formerly ISO 17799:2005), ITIL and NIST SP-800 53 Recommended security controls for Federal Information Systems standards. Logs are a great monitoring tool that provides a record of events. As such, I need every occurrence to be logged, tracked and reported on. For each entry, I want to know what occurred, when it occurred, and who or what cause it. Monitoring compliance would allow me to: (1) Detect and correct violations (2) Provide evidence to support enforcement actions (3) Evaluate program progress by establishing implicate status (4) Provide case studies for staff training (The SANS Institute, 2012). At each location I would nominate SIS enforcement officers who will be held responsible for monitoring and enforcement strategies to ensure that employees act in according with acceptable use policies (Pups), set forth by management to ensure the organization assets are protected. We will write a custom essay sample on Policy Monitoring and Enforcement Strategy specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on Policy Monitoring and Enforcement Strategy specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on Policy Monitoring and Enforcement Strategy specifically for you FOR ONLY $16.38 $13.9/page Hire Writer Sigil (pronounced swell) is one of the best GUI monitoring tool around I would use that provides real time events, sessions data, and raw packet captures. It facilitates seamless analysis, as when an alert that deeds more investigation has been identified, it makes a decision on how to handle the situation. Sigil uses a backbend database for most of its data, which allows users to perform SQL queries against several different types of security events (The SANS Institute, 2012). For access control, I would use The least privilege principle whereby employees will be granted only enough privilege to accomplish assigned tasks and no more. I would also use Separation of duties principle whereby employees responsibilities and privileges would be divided to prevent a person or mall group of collaborating people from inappropriately controlling multiple key aspects of a process and causing harm or loss Monsoons, 2011). DoD business transactions rely on EPIC ADS to prevent card data being stolen. As such, we need the early detection of virus protection to detect mallard, and prevent a breach of the system from occurring. Regular patch management updates will be a mandatory requirement In all locations. Policy enforcement can be accomplished through automated or manual controls Monsoons, 2011). Some of the controls I would utilize are: (a) Authentication methods b) Authorization methods (c) Data encryption (d) Data segmentation (e) Network segmentation. According to Johnson (201 1), automated policy management tools take security policies and Implement them as configuring updates. Once the device Is configured, the automated control enforces the policy. The enforcement can be enforce is a preventative control, which would have employees changing their passwords every 30 days. To ensure monitoring and enforcement policies are adhered to, a security awareness policy would be implemented to raise awareness of these regulations.