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Does the periodic table explain the shell model or does the shell model explain the periodic table?
The shell model explains the organization of the periodic table. The elements in the first period have electrons in the first shell; the elements in the second period have electrons in the first two shells; the elements in the third period have electrons in the first three shells; and so on.
How many potassium ions are needed to balance the charge of one sulfide ion Explain?
One potassium ion is needed to balance the charge of one sulfide ion. This is because potassium has a +1 charge and sulfide has a -2 charge. Therefore, one potassium ion with a +1 charge will neutralize the -2 charge of one sulfide ion, resulting in a net charge of 0.
Explain how you would prepare a saturated solution of potassium nitrate in water?
Add potassium nitrate to distilled water while stirring continuously; stop adding potassium nitrate once the chemical becomes saturated and stops dissolving in the water. Filter the solution into an evaporating dish and measure the temperature of the solution. Measure the temperature and carefully heat the solution under low heat. Weigh the potassium nitrate to determine its solubility. You should find that approximately 36 g of potassium nitrate can be dissolved in 100 ml of water at room temperature (25 degrees Celsius). santosh kumar.batchu santoshkumar@gmail.com
What is the Bohr model for Lithium?
Lithium is element number 3Its nucleus contains 3 protons and 4 neutrons (Atomic Mass=7) and there are 3 electrons in orbit around the nucleus.Since there can be only 2 electrons in any orbit. the third electron orbits in a second orbital path, further out from the nucleus.
Can you explain what happens to the particles of potassium chloride when they dissolve in the water?
when particles of KCl are put in water, they dissolve because KCl being a polar ionic compound, its ions separate and in aqueous solutions, water molecules surround these ions with the partially positive hydrogen ions closer to the chloride ions and the partially negative oxide ion towards the potassium ion but the electron cloud is bigger on the side of the chloride ion since it's more electronegative and the attraction between the hydrogen and the chlorine and between oxygen and potassium becomes stronger than that between potassium and chlorine hence the two ions [potassium and chloride] are pulled apart forming ions in the solution
Will substituting lithium nitrate for lithium cl work for an experiment about solubility patterns for group 7 anions we normally add libr to nacl and potassium iodide and nafl where nafl is insoluble?
Question is not clear. Please explain clearly so that we can try to answer.
What weight of lithium bromide would be required to make Cm of M lithium bromide solution?
Explain Cm and M.
How does atomic number explain the arrangement of the periodic table?
According to the modern periodic table "Elements are the periodic function of their atomic number".They are arranged in increasing atomic no. in the periodic table.
What is the purpose of periodic performance reports in real estate?
Explain the purpose of a periodic performance report (two benefits)
The most reactive metal in group 1 of the periodic table?
Probable lanthanum.The chemical reactivity (and electronegativity) are very similar for lanthanoids. This explain the difficulties of identification and separation.
Explain why potassium and calcium are both in period 4?
Potassium and calcium are both in period 4 of the periodic table because they both have 4 electrons in their outermost energy level. This means they both have the same number of protons and the same number of electrons, which puts them in the same period. Additionally, they both have the same number of shells, which is why they are both in period 4.
Explain why the table of elements is periodic?
because of the electron configuration are different
Will the solution of potassium chloride and water conduct electricity or not explain?
Yes, a solution of potassium chloride and water will conduct electricity. When potassium chloride (an electrolyte) dissolves in water, it dissociates into potassium ions and chloride ions which can carry electric current.
Can anybody explain the process of Conversion of lithium into lithium chloride?
The ore is heated at 1373 K to convert into less dense and more friable (easily crumbled) form. It is then washed with Sulphuric acid at 523 K and leached with water to give Lithium sulphate monohydrate (Li2SO4.H2O). It is then treated with sodium carbonate solution and HCl, which gives insoluble Lithium carbonate and finally Lithium chloride. source : http://www.examville.com
How does the periodic nature of tides explain why tiddal power is not a steady source of energy?
You have sullivans?
Some say the periodic table is read like a book Explain how you read the periodic table and how this can give you information about elements in the table?
you read it from left to right
Explain how you would calculate the number of neutrons in potassium -40?
To calculate the number of neutrons in an atom of potassium-40, subtract the atomic number (which is 19 for potassium) from the mass number (which is 40 for potassium-40). So, 40 (mass number) - 19 (atomic number) = 21 neutrons in potassium-40.
