Wednesday, November 27, 2019
Ionic Essay Example
Ionic Essay Define and describe ionic and covalent bonds. An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. A covalent bond is the chemical bond that involves the sharing of pairs of electrons between atoms. A compound is made when two or more atoms form a chemical bond, linking them together. The two types of bonds are ionic bonds and covalent bonds. In an ionic bond, the atoms are bound together by the attraction between oppositely charged ions. If the electron is shared equally between the atoms forming a covalent bond, then the bond is said to be nonpolar. An electron is more attracted to one atom than to another which forming a polar covalent bond. Ionic bonds are formed between a cation and an anion. Pure ionic bonding cannot exist: all ionic compounds have some degree of covalent bonding. An ionic bond is considered a bond where the ionic character is greater than the covalent character. The larger the difference in electronegativity between the two atoms involved in the bond, the more ionic the bond is. Bonds with partially ionic and partially covalent character are called polar covalent bonds. Ionic bonding is a form of no covalent bonding. We will write a custom essay sample on Ionic specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on Ionic specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on Ionic specifically for you FOR ONLY $16.38 $13.9/page Hire Writer Ionic compounds conduct electricity when molten or in solution, but not as a solid. They generally have a high melting point and tend to be soluble in water. The stable balance of attractive and repulsive forces between atoms when they share electrons is known as covalent bonding. For many molecules, the sharing of electrons allows each atom to attain the equivalent of a full outer shell, corresponding to a stable electronic configuration. Covalent bonding includes many kinds of interaction, including ? -bonding, ? -bonding, metal-to-metal bonding, agnostic interactions, and three-center two-electron bonds. The term covalent bond dates from 1939. The prefix co- means jointly, associated in action, partnered to a lesser degree in essence, means that the atoms share valence. Molecule H2, the hydrogen atoms share the two electrons via covalent bonding. Covalency is greatest between atoms of similar electronegativity. Covalent bonding does not necessarily require the two atoms be of the same elements, only that they are of comparable electronegativity. Although covalent bonding entails sharing of electrons, it is not necessarily delocalized.
Sunday, November 24, 2019
Oakland Killing Fields essays
Oakland Killing Fields essays A round of bullets killed Katherine Bagwell adding to the growing number of homicides in Oakland, California this summer. Her 7-year-old daughter sat beside her in the car as she watch the horrific event. Sadly, it had been only one year ago that the girl witnessed her father shot and killed. Oakland currently stands vulnerable with 100 homicides this year and counting. This has been a dramatic increase from last years low of 85 deaths. This is currently the highest Oakland has seen since 1995. From 1986 to 1995 the average was at 138 homicides a year. Much of the killings are over drugs and turf wars, mostly in the poor flatlands of East and West Oakland. 80 percent of these deaths are amongst the African-American community. Some action clearly needs to be taken by the community and the roots of the problems must be addressed. Much of the hype over Oakland could be blamed on the media. Lately the death toll has taken the attention of the media nationwide. The concerned community has to ask, why is all the emphasis going to Oakland? Is the media sensationalizing crime? Whenever you continuously project negative images of a community, people start to become the images the see on TV, said rapper, Chuck D. Oakland is the prime target when other areas in California like Bayview/Hunters Point, East Palo Alto, and Compton are just as bad, if not, worse. Even statistics have shown that the south, especially places like New Orleans, have the greatest counts of killings in the country. So why stomp all over Oakland when the greater issue needs to be addressed to all our communities? When it comes down to it, Oakland is a problem area and is an important local concern even for us in the suburbs. Violence is gradually becoming more of a growing threat like it was in the early 90s. Losing their friends to the gun has become, an every day thing in the eyes of a local high school student. ...
Thursday, November 21, 2019
Merger, Acquisition, and International Strategies Essay - 13
Merger, Acquisition, and International Strategies - Essay Example I clear separation must b made between mergers and consolidation. In the latter, both companies lose their identities and come together to form one major corporation which a completely new identity (Gomes, 2011). Mergers are regulated by the state laws as they are likely to eliminate competition leading to creation of oligopolistic firms which may collude to form cartels that may tend to harm the economy. Mergers and acquisitions are beneficial to the economy in the sense that they can bring about better approaches to management of the firm. They lead to economies of scale which has the effect of increasing production, reducing operation costs leading to decrease in the selling price which favors the consumers of various commodities. A merger can enable a business owner to sell the firm to someone who is already familiar with the industry and who would be in a better position to pay the highest price. Less competition will also mean low risks to the owners of the merged firms (Cardel, 1998). There are basically three categories of mergers which are based on the competitive relationships that exist between the merging firms. Vertical merger is a form of merger in which one firm acquires a customer or a key supplier of another firm. Horizontal mergers is where one firm acquires or takes over another firm that manufactures and sells an identical product in the same geographical location in a bid to lower competition that was originally existing between the two firms. Conglomerate mergers are those that the merging companies do not have any evident relationship between them. This paper takes an in-depth analysis on two public corporations in the United States in which one has a history of mergers and acquisitions and operated internationally and the other does not bear any history in relation mergers and acquisition and only operates within the nation. The two companies are Apple that has a long
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