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Q. Describe about atomic number?
It is significant to be able to obtain useful information from the periodic table. Beginning with the simplest element hydrogen the periodic table represents each element in a box.
Information regarding an element the name of the element and its chemical symbol are given in each box. The integer in the box symbolizes the element's atomic number the number of protons in a nucleus of an atom of that element. As you scan the table you are able to see that the elements are arranged in order of increasing atomic number and that the sequence of atomic numbers has no missing values. This nonstop series is an indication of the fact that the atomic number determines the identity of an element.
What is meant by a link solution ?
The electronic configuration (outermost) of Mn +2 ion (atomic number of Mn= 25 ) in its ground state is: (1) 3d 5 , 4s o (2) 3d 4 , 4s 1 (3
Q. What is compound? A compound is a substance which consists of two or more elements chemically combined. The elements in a compound aren't simply mingled together as they a
2. Oxalic acid is a diprotic acid with the following deprotonation equilibria. A. You have 150 ml of a solution of pure oxalic acid with an unknown concentration.
General Tests of Esters (a) Esters has sweet smell (b) Esters is neutral towards litmus (c) A pink colour is developed while one or two drops of phenolphthalein are adde
Electrolysis of Water in the Presence of an Indicator • Place ~ 50 mL of the thawed cabbage juice in the same glass container (after rinsing) used in Step 1. • Insert the ele
What is inductomeric effect explain .
When an electron revolves in a stationary orbit then: (1) It absorbs energy (2) It emits radiation (3) Its energy remains constant (4 )It gains kinetic energy Ans:
In the chemical reaction, Al(s) + CuCl2(aq) --> Cu(s) + AlCl3(aq), why did the Copper turn green after being left for a day?
Millon test - Test of proteins Millon's test : while millon's reagent (mercurous & mercuric nitrate in nitric acid) is added to a protein solution, a white precipitate that tur
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