than protons (+). So to form an ionic bond between lithium (metal) and nitrogen (nonmetal)‚ you first look at how many lithium valence electrons there are. You can determine this by looking at lithium’s charge which is +. + means that there is only one. For nitrogen‚ you look at the group that nitrogen is. Nitrogen is in Group 15‚ so it has 5 valence electrons. So how many of each atom can make the entire compound neutral? You need THREE lithium atoms so that they each give away one valence electron
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with their lithium-ion batteries. As a result of this the company has been experiencing a line of issues with delay of delivery‚ business loss‚ and redesign costs within the last four years. Due to an overheating issue in the lithium-ion battery‚ the Boeing 787 Dreamliner was forced to be grounded. This has happened on two different occasions not too long ago‚ in addition to emergency landings‚ fires and others. Nevertheless the aircraft company still defends its choice of using lithium-ion batteries
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The severe mood fluctuations of bipolar or manic-depressive disorders have been around since the 16-century and affect little more than 2% of the population in both sexes‚ all races‚ and all parts of the world (Harmon 3). Researchers think that the cause is genetic‚ but it is still unknown. The one fact of which we are painfully aware of is that bipolar disorder severely undermines its’ victims ability to obtain and maintain social and occupational success. Because the symptoms of bipolar disorder
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Activity 2 Record the number and color of the flame spectra bands for each water sample. Use the Flame Spectra Chart and Symbol table below to identify the elements (metals) in the different water samples. Symbol | Name | Cd | Cadmium | Li | Lithium | Na | Sodium | K | Potassium | Rb | Rubidium | Cs | Cesium | Hg | Mercury | Ne | Neon | Sample | Number of Bands | Colors Present in Spectrum | Probable Elements In Sample | Spring Water Sample | 8 | Grey‚ aqua‚ yellow‚ red | Li
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“I did not wake up one day‚ to find myself mad. Life should be so simple.” says Kay Redfield Jamison author of an unquiet Mind- a memoir of moods and madness. This quote embodies Jamison’s view of her life with manic depression. She knew at a young age that she was different‚ having higher highs‚ and lower lows than other people. Through the years‚ her illness became more and more dangerous‚ to her and others around her. Jamison’s memoir details the highs and lows of manic depressive illness. Manic
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patient has proven nonresponsive to the various monotherapy treatments available. Tohen‚ Chenegappa‚ Suppes et al (2004) conducted an 18-month study of relapse prevention in bipolar I disorder comparing olanzapine plus either valproate or lithium to lithium or valproate alone. The results of this study showed that the combination therapy median time for symptomatic relapse was 163 days compared to only 42 days with the monotherapy. It does need to be noted that the subjects had all previously
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Depression Paper PSY/270 February 20‚ 2012 University of Phoenix Depression Paper There is a distinct difference between bipolar and unipolar disorder‚ although both disorders may be due to a chemical imbalance in the brain‚ head injuries or genetically passed down through the gene pool‚ each of these disorders have different symptoms‚ characteristics‚ and require different treatments. However‚ there are some things both of these disorders have in common‚ which are the fact that
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tests are a common confirmation test to identify specific elements. Procedure: I began the lab by preparing a safe work area and the required metallic ions. The ions used in this lab were as follows: Barium Nitrate‚ Calcium Nitrate‚ Cupric Nitrate‚ Lithium Nitrate‚ Potassium Nitrate‚ Sodium Nitrate‚ Strontium Nitrate‚ and an unknown solution. I placed 0.5 mL of sodium nitrate into a well on the 24-well plate‚ recording its location. I placed 0.5 mL of the other 7 solutions in 7 other wells on the
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The Periodic Table is a chart which arranges the chemical elements in a useful‚ logical manner. Elements are listed in order of increasing atomic number‚ lined up so that elements which exhibit similar properties are arranged in the same row or column as each other. Elements are also arranged in different families and periods based on similar characteristics. Also the grouping of elements into into subcategories Metals‚ Nonmetals‚ and Metalloids. The Periodic Table is one of the most useful tools
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water‚ we can not survive. In fact‚ we are mostly made of water. 2.2. Li Lithium does not occur naturally in biological systems and has no biological role‚ but does have effects on the body when ingested. Lithium carbonate is used as a mood stabilizer in psychiatry to treat bipolar disorder (manic-depression) in daily doses of about 0.5 to 2 grams‚ although there are side-effects. Excessive ingestion of lithium causes drowsiness‚ slurred speech and vomiting‚ among other symptoms‚ and poisons
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