Prove the Correct Order of Reactivity of Metals :: Metal Reactivity Science Experiments Essays

Prove the Correct Order of Reactivity of Metals Aim The aim of this experiment is to find a method of mathematically analysing the order of metal reactivity. This involved finding a safe, dependant variable which is numerically measurable. After testing all the metals and measuring such a variable, is my hope to set all of the metals into a proven, accurate order of activity. Plan Every element of the periodic table is made up of atoms. Each of the atoms consists of subatomic particles which make up a nucleus and outer orbits. The nucleus contains positively charged protons, and neutrally charged neutrons. These make up the relative mass of the atom. Orbiting the nucleus, attracted by the positive charge of the protons, are the electrons. This are arranged in layers, called energy levels, and have no mass. Only a certain number of electrons fit on each energy level, and it is this which affects the reactivity of certain materials and is also the way that the periodic table is arranged. The number of electrons in the outer energy level is the group in which the element is placed. The first level (nearest the nucleus) will only hold 2 electrons, the second holds 8, and the third also seems to be full when it has 8 electrons. If all of the energy levels in the atom are full populated with electrons, it is said to be stable, and in most cases, is therefore unreactive. Examples of this include the noble (or inert) gases such as neon or argon. However if the outer energy level of the atom is not stable, it will automatically try to either gain or lose electrons to become stable. This is achieved by an ionic reaction. Ionic bonding occurs when the outer atoms of on material changes orbit and joins another material for example: Sodium chloride As you can see, sodium is a group one metal (it has one electron on its outer energy level) so is therefore unstable. Chlorine on the other hand is a group 7 element. It is much easier for sodium to lose its outer electron to become stable, than it is for it to gain 7. The same is true for the chlorine gaining 1 as opposed to losing seven. Therefore the outer electron of the sodium switches orbits to the chlorine. This creates a Na+ ion and a Cl- ion. Because opposites attract, it means that the two substances create an ionic bond and form sodium chloride! Group one metals are the most reactive as they only have one, easily removed, electron. However if you view the periodic table:

Mastrubation Isnt It Harmful

Most Of the professionals in the field Of sexuality medicine claim that masturbation does not cause any harm to physical or mental health. Few even feel that masturbation is healthy, because it helps people to relive their sexual urge there by preventing unsafe sexual Quiet true, Masturbation may not cause any physical harm, if the standards of hygiene are maintained. UT the same cannot be true when we lock at it from a psychological perspective. Masturbation In one habit that can become a compulsive need in adolescents which Is carried Into adulthood, If necessary control is not brought about, at an appropriate time, by the person involved. The reasons being, It Is one pleasurable activity that can be done any time. The only requirement being some place with a little privacy.It also does not involve any identical expenditure or social curtailments. So there is an urge to experience the pleasure whenever there is privacy and opportunity. This habit In fact becomes a compulsive behavi or even at his stage because in every situation of privacy creates craving for masturbation. In the next stage they start looking for privacy whenever possible just for the sake of involving in masturbation, Most of the time â€Å"rest rooms† becomes the place that is used. Whenever they don't have any other place of privacy, Once this practice come existence the urge can becomes so compulsive that even when they have hectic schedules or important tasks to be completed, they may just take short breaks to restrooms to finish often urge, This stage indicates the obsessive psychological reoccupation With sexual thoughts and need for compulsive masturbation, to Overcome the thought. The other danger is the development of the belief that masturbation Is a stress buster. Yes masturbation can act as a diversion from stressful thoughts or events.It can very well act as a buffer. Taut this belief system can once again increase the frequency and preoccupation that many just use this es cape mechanism, and avoid exploring effective stress management methods. This can create limitations In their problem solving and decision making abilities The belief that masturbation can induce sleep also makes people involve in it every day before they go to bed and may a psychological cause of sleep disturbance, if they are in situations where they cannot involve in the habit before sleep the fantasies associated with the practice.Masturbation does not happen without the associated fantasies. When there is frequent involvement in masturbation, with in a short period, the normal fantasies lose its luster and become less stimulating. When the regular fantasies do not provide adequate arousal, it leads to suspicions ND worries, in some people, that they are losing their potency due to masturbatory habit. The bigger chunk of population shift to devising fantasies, which are pervert and deviant in nature to maintain the stimulation levels.The danger of these fantasies, is that when t hese people go through a real sexual experience, they don't find is so exciting or pleasurable, as what they have experienced in their wild fantasies. This can lead to dissatisfaction and lack of interest in real time sexual relationship and some times motivate the person to involve in deviant sexual acts. This can Jeopardize their marital relationship. In my experience I have come across many clients who tend to avoid sexual relationships and gain sexual satisfaction by involving in masturbatory practice even after marriage.The other threat to marital relationship from masturbatory habit is that, people who tend to involve in compulsive masturbation, try to reach the climax with in a very minimal time, which can lead to the development of premature ejaculation. Failure to get fully aroused in a real time situation, because of the fantasies, that have been ore stimulating can also lead to the development of performance anxiety.Also frequent masturbation, would create a status, where the person gets pleasure only by the self touch, to which he is habituated any may not be bale to feel the pleasure with the same intensity when their partner touch them during a sexual encounter which can also result in avoidance of real time sexual experience. The world of sexual fantasy is one place where the individual feel fully excited and satisfied. So there is all possibilities that they don't feel the necessity to mingle tit others or build relationships, because they are happy on their own in their own private world.This factor along with the compulsive thoughts to masturbate, which enforces the tendency to opt for isolation and places where their privacy is not infringed, so that they can involve in the act when ever they feel the need, becomes a barrier in developing social skills. Excessive masturbation can also lead to low self confidence and self esteem, which may be associated with the feelings of guilt associated with the habit or the pervert sexual fantasies, feel ings of lack of self intro, fear about health and immorality induced by religion and cultures and anxiety about their future marital life.The habit of masturbation can be treated as a totally harmless one. Preoccupation with the habit and related fantasies does have an impact on the productivity levels and the quality of life every person. So it is necessary that appropriate awareness is created, specifically among adolescents, platforms are provided to them for open minded discussion about their masturbatory practices

Summary of Effect of Teamwork in Employee Performance

Summary of journal about effect of teamwork on employee performance The research analyses the performance of the performance of the staff members of an education department of a in a province of Pakistan called KPK. Researchers use some measures including spirit de corps, team trust, recognition and rewards. And they proved that teamwork and those measures positively affect the employee performance. They put this research as self-administered questionnaires distributed in directorate of that department and four colleges in Peshawar and Kohat area. The study recommends that to adapt teamwork activities in order to enhance the employee performance. 4 measures of employee performance: team trust, esprit de corps, recognition and†¦show more content†¦Ã¢ â€" Esprit De corps o Esprit De corps is the feeling and viewpoint that employee holds about the team. Also known as team spirit in which employee shares their problem with each other with in the organization o Team spirit is composed of group member’s feelings, beliefs and values. Team spirit in the organization is the key to achieve common goal of the team. o The increase in team spirit will result in better employee performance because there is a positive correlation exists between esprit de corps and employee job satisfaction level. ⠝â€" Team trusto Trust among the team members comes when member of the teams develop the confidence in each other competence. o Trust among the team members develops the unique skills and coordination of individuals. o According to Mickan and Rodger (2000) there is a positive relationship between the team performance and trust. Trust generates the behavioural basis of teamwork, which results in organizational synergy and better performance of an employee. o Development of trust within the organization is the responsibility of individuals. o A ccording to Manz and Neck (2002) high performance teams within the organization exist when unity exists between members. o Cooperation of the team members can only be created when the trust comes to be most important value of the team culture. o Trust providesShow MoreRelatedPay For Performance Pay : An Effective Compensation Strategy Essay1196 Words   |  5 PagesOverview Pay-for-performance pay is an increasingly popular compensation strategy in today’s business world. According to research conducted by consulting firm Aon Hewitt, 90% of the 1,100 employers polled use some form of variable, performance-based pay in their compensation strategy (Kelleher, 2013). 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