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Barium

            
             Barium is the 56th element in the modern periodic table.
             is located in group 2 in the periodic table. Barium is one of the alkaline earth metals. Its .
             name comes from the Greek word barys witch means heavy or dense. Barium is a silver-.
             white, highly reactive, metallic element. It has an atomic mass of 137.33 amu. The .
             element's melting point is 850 ∘C and the boiling point is 1537 ∘C. It has a specific .
             gravity of 3.5 at 20 ∘C . Barium has a density of 3.51 g/cm. The element's hardness is.
             comparable to that of the lead. It is the only alkaline earth metal that has a body-centered .
             cubic crystal structure. It has a valence 2+ and has 6 energy levels. Barium is the 14th.
             most common element and makes up 1/2000th of the crust of Earth. Barium was.
             discovered in 1808 in England by Sir Humphrey Davy.
             Barium is never found in nature in an element form. It reacts with almost all the.
             nonmetals. It is mostly found in the minerals witherite, a barium carbonate( BaCO1) and.
             barite, a barium sulfate (BaSO4). It is also found in most soils at a low level. Barium.
             burns easily in the air and reacts with water to produce hydrogen. Barium reduces water.
             and dilutes acids to hydrogen. When it burns in the air, it produces peroxide, which .
             produce hydrogen peroxide when treated with water. At room temperature, Barium forms .
             oxides. All of the water-soluble and acid-soluble barium compounds are poisonous. The.
             element may spontaneously ignite in moist air. Because it's extremely reactive, Barium is .
             never found in pure form and must be stored under kerosene to remain pure. .
             Barium has uses mostly in medical and industrial applications. In the medical .
             application, Barium enema is used to detect colon cancer. Radiologists use barium sulfate .
             to examine a patient's intestines with a X-rays. When a patient drinks a suspension of.
             barium sulfate in water or barium enema, the barium sulfate particles temporarily fill the.


Essays Related to Barium

1. Barium Enema

... evaluate and diagnose problems within the large bowel or colon. The patient is often quite nervous before the exam, but if the procedure is done properly, barium enemas should not be something to stress about. Barium enemas are used to help diagnose and find cancers of the colon, various inflammatory conditions such as diverticulitis, and for discovering polyps. A colonoscopy is an alternative ... a gown. The technologist then positions the patient on the x-ray table for a preliminary or scout film. This film is to ensure that the patient is cleaned out enough for the barium enema proce...

  • Word Count: 559
  • Approx Pages: 2
  • Grade Level: High School

2. Alkiline Earth Metals

... that has the most of the insoluble product in the data table. 12. Repeat steps 4 through 11 with the strontium and oxalate solutions. 13. Repeat steps 4 through 11 with the barium and oxalate solutions. 14. Dispose of the substances appropriatly according to their Flinn disposal. Data Wells with most Pecipitate Sodium oxalate combined with # of well with most percipitate Drops of ... oxalate solution drops of group 2 ion solution Calcium Nitrate solution 4 6 4 Strontium Nitrate solution 4 6 4 Barium Nitrate solution 5 5 5 Analysis Ca(NO3)2 v/s Calcium Nitrate Sr(NO3)2 v/s Strontium Nitra...

  • Word Count: 479
  • Approx Pages: 2
  • Grade Level: High School

3. The Gravimetric Determination of Sulfate

... possible to figure out the amount of each compound in the equation. The second part of this lab dealt with analyzing how much sulfate was in the barium sulfate and then calculation of errors. There are 2 kinds of error systematic and random. Systematic are errors that after being discovered are generally fixable. A ... low there could have been several systematic errors that occurred. Some of these could have been that the barium sulfate did not digest long enough so big enough crystals were not produced and the barium sulfate passed through the filter paper with the water. This also co...

  • Word Count: 1417
  • Approx Pages: 6
  • Grade Level: High School

4. Crime and Gun Shot Residue

... then be deposited on the both the shooter and the victim (Firearms Residue, 2011). The invisible particles that crime scene investigators look for are generally the cooled composition of antimony, barium, and lead deposited on any surface close to the weapon when fired (Firearms Residue, 2011; Locke, 2012). "Less common elements include aluminum (Al), sulfur (S), tin (Sn), calcium (Ca), potassium ... the sample be vaporized in the furnace, the process was destructive and could not be repeated (Locke, 2012). The test also could not determine the source of the elements, lead, barium, and ...

  • Word Count: 2081
  • Approx Pages: 8
  • Has Bibliography
  • Grade Level: Undergraduate

5. Chemistry Soil Analysis Project

... AgNO3 to test the presence of Chloride, and BaCl2 to test the presence of sulfate. Addition of silver nitrate resulted in a precipitate, signifying the presence of chloride ions. However, when barium chloride was added, there was no precipitate, meaning that there were no sulfate ions. Next, we added 15M ammonium hydroxide and 1% dimethylglyoxime to our inorganic solution. The sample became a dark ... the silver nitrate, this means that there is the presence of chloride in this sample. To check for the presence of sulfate, we decided to add barium chloride into the inorganic aqueous pha...

  • Word Count: 3975
  • Approx Pages: 16
  • Has Bibliography
  • Grade Level: High School

6. Peptic Ulcers - Causes, Symptoms and Treatments

... difficult to determine the location and severity of the ulcer using only the symptoms. Doctors now have several test methods at their disposal to detect peptic ulcers. The first is Barium contrast X-rays. This is a series of X-rays taken of the patients stomach and duodenum, after he or she has drank a chalky liquid containing ... barium. The barium will pool at the location of the ulcer, making it visible in the X-ray. The second and perhaps most common method of testing is a esophagogastroduodenoscopy, or EGD. This procedure involves ... ...

  • Word Count: 1015
  • Approx Pages: 4
  • Has Bibliography
  • Grade Level: High School

7. Symptoms and Treatments of Colon Cancer

... people have Colon Cancer? b. How common is Colon Cancer? 2. Causes a. What are the causes of Colon Cancer? 3. Risk Factors 4. Signs and Symptoms 5. Diagnosing Colon Cancer a. Colonoscopy b. Flexible Sigmoidoscopy c. CT colonography d. Barium Enema 6. Complications a. What are potential complications of this disease? 7. Treatment a. Surgery b. Chemotherapy c. Radiotherapy 8. Prognosis 9. Nursing Assistant Care a. Emotional and Spiritual Support b. Managing Pain c. Side effects of Chemotherapy and Radiotherapy d. Perineal ... . A computer then organizes these images to create detailed pict...

  • Word Count: 2955
  • Approx Pages: 12
  • Has Bibliography
  • Grade Level: High School

8. The Facts about Colon Cancer

... growths throughout the colon can be found and either removed or biopsied, including growths in the upper part of the colon, where they would be missed by sigmoidoscopy. Double Contrast Barium Enema (DCBE) In this test, a series of x-rays of the entire colon and rectum are taken after the patient is given an enema with ... a barium solution and air is introduced into the colon. The barium and air help to outline the colon and rectum on the x-rays. Research shows that DCBE may miss small polyps. It detects about 30 to 50 percent of ... ...

  • Word Count: 2055
  • Approx Pages: 8
  • Has Bibliography
  • Grade Level: High School

9. Chemistry Lab

... determine which combinations of ions form water-insoluble precipitates. II. Materials 1 pair of safety goggles 1 plastic wash bottle with distilled water 1 wash bucket soap 5 test tubes water Chemicals: Set 1 0.1M barium nitrate, Ba(NO3)2 0.1M sodium sulfate, Na2SO4 0.1M aluminum sulfate, Al2(SO4)3 0.1M magnesium nitrate, Mg(NO3)2 0.1M magnesium chloride, MgCl2 0.1M aluminum chloride AlCl3 Set 2 0.1M potassium chloride, KCl ... 0.1M magnesium chloride, MgCl2 0.1M sodium sulfate, Na2SO4 0.2M sodium hydroxide, NaOH 0.1M barium chloride, BaCl2 0.1M magnesium sulfate, MgSO4 Set 3 0.1M bariu...

  • Word Count: 319
  • Approx Pages: 1
  • Grade Level: High School

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