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Geiger Marsden experiment
The Rutherford experiment (also known as the Gold foil experiment or the Geiger-Marsden experiment) was an experiment to probe the structure of the atom performed through Hans Geiger and Ernest Marsden in the year of 1909, under the direction of Ernest Rutherford at the Physical Laboratories of the University of Manchester. The unexpected results of the experiment established for the first time the existence of the atomic nucleus and leading to the downfall of the plum pudding model of the atom, and the growth of the Rutherford (or planetary) model.
Fe3+ + e ------> Fe2+
why boron shows +3 as well as-3 oxidation states?
He- is p block element
Calculate the molarmass of a nonelectrolyte that lowers the freezing point of 25.00g of water to -3.9 degrees C when 4.27 g of the substance is dissolved in the water.
some examples of RELATIVE MOLECULAR MASS OF SOLUTES BY RELATIVE LOWERING OF VAPOR PRESSURE
Need help figuring out the proper steps on how to solve: What volume of 1.25M HCl in liters is needed to react completely (with nothing left over) with 0.750L of 0.200M Na2CO3? Usi
Fe(atomic number = 26) atom has the electronic arrangement: (1) 2, 8, 8, 8 (2) 2, 8, 16 (3) 2, 8,14, 2 (4) 2, 8, 12, 4 Ans: 2, 8,14, 2
Q. What do you mean by Polymerisation Isomerism? This term is used to describe compounds having same empirical formula but different molecular compositions. The difference from
what is avarat sarni
Branched chain polymers - Classification of polymers These are polymers where the monomers are connected to make long chains with side chains or branches of dissimilar sizes.
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