naming metals that form only one cation. In this method‚ the cation is named first‚ and it is simply the basic name of the element. Named second is the anion which uses the root of the element’s name plus the suffix -ide. Type two is used for naming compounds in which the cation can have several different charges. So‚ the cation is still named first but directly after it there is a Roman numeral that tells which charge is being used on it. After that‚ the anion is named the exact same way as
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unknown compound. An unknown was given and a cation flame test and anion test was performed to determine the identity of the compound. Once the identity was determined‚ the properties were explored. Experimental To determine the cation of the compound‚ a cation flame test was performed. A bunsen burner was lit until a medium blue flame was burning. The given unknown was scooped onto a nichrome wire loop. The wire was held in the flame to determine the cation. To compare the unknown’s flame color to
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are either gained or lost. Metals will generally form cations or positive ions‚ since they tend to donate electrons Non-metals will form anions or negative ions‚ since they tend to accept electrons. Activity In this activity you will create models of ionic compounds and observe the chemical formula of the binary molecules you have created. Your data will be recorded in a data table or chart‚ similar to the one below. Cation name Anion name Chemical Formula Name Discussion/Conclusion
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Cations I found out what Cations where present by doing a flame test. When I put my substance in the Bunsen burner I got a bright yellow colour which means that the Cation for my substance was sodium ions. Anions To find the Anions I had to go through a series of tests to find out which Anion was present. From all the tests I found out that the test for bromine halide worked and the test for sulphate also worked. Conclusion In conclusion I found out that the ions present in my sample where
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tightly together to maximize the attraction between the ions. When two compounds are mixed together‚ they form a precipitate. A precipitate is solid that is formed from a chemical reaction. A cation is a positively charged ion and an anion is a negatively charged ion. Hypothesis: The anion and the cation will react to form a precipitate more often than not.
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Na2SO4 with those reactants. Then‚ mix 0.1M NaOH with the same reactants used before again. Some precipitates should forms ‚record the observations in Table 1. At last‚ identify those two unknown solution. Part II- Qualitative Analysis of Selected Anions First mix 1M HNO3 with each Na2CO3‚ Na2SO4‚ NaCl and NaI together. Repeat these steps by placing 0.1M Ba(NO3)2 instead of 1M HNO3. Then mix 1M HNO3 for the reactants that formed precipitates. Repeat the first step by placing 0.1M AgNO3 instead
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CHM 101 Lab Monday October 1‚ 2012 Unknown Solid – 2 Identifying my cation was rather easy because of the color of the powder when it was first given to me. It was pinkish/slight red when solid and when it was grounded up even further. This observation ruled out every cation except for some hydrated Co (II) salts. After being dissolved in water‚ the solution turned pink which agrees with the statement that the cation was Co. In table 4‚ it shows that Co dissolved in water produces a pink solution
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Aug 10‚ 2011 - To the best of my knowledge‚ the Gr1 alkali metals cations ‚ ie Na+‚ K+‚ Li+ etc do not form precipitates. In addition the NH4 cation does not form a ... 3 questions on cations and anions? 2 answers Nov 23‚ 2011 AP Chemistry Problems? 1 answer Sep 9‚ 2011 What anions form precipitates? 2 answers Jun 25‚ 2010 What cations commonly form precipitates? 1 answer Oct 13‚ 2008 More results from answers.yahoo.com [DOC]Solubility Rules Lab 2 C12-1-02 umanitoba.ca/.../Solubility%20Rules%20Lab%20
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Determination of Cations and Anions through Elimination and Confirmation Tests By: Symantha Resendiz Introduction A topic of great importance to all scientists is the identification of compounds‚ which is relevant in all aspects of their work in some way shape or form. Weather it may be determining what is causing sickness or what is polluting the air‚ it is very prevalent in the science world. In project 2‚ identification of cations and anions was preformed through a series of confirmation
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Lattice In most ionic compounds‚ the anions are much larger than the cations‚ and it is the anions which form the crystal array. The smaller cations reside in the holes between the anions. Basic Concepts: 1. Ions are assumed to be charged‚ incompressible‚ nonpolarizable spheres. 2. Ions try to surround themselves with as many ions of opposite charge as closely as possible. Usually in the packing arrangement‚ the cation is just large enough to allow te anions to surround it without touching one
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