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Electron enters the sub-shell for which (n+l) value is minimum. This is enunciated as:
(1) Hund's rule
(2) Aufbau principle
(3) Heisenberg uncertainty principle
(4) Pauli's exclusion principle
Ans: Aufbau principle
How many moles of O2 are produced when 0.400 mol of KO2 reacts in this fashion? 4KO2+2CO2 ----> 2K2CO3+3O2
Uses of oils and fats (a) Several oils and fats are used as food material. (b) Oils and fats are employed for the manufacture of glycerol, fatty acids, soaps, candles, veget
Electrolysis of Water without Indicator • Assemble the power supply for electrolysis. Attach alligator clips to the separate poles of the battery. Make sure that the wires from
Q. Describe Oxosalts? In these minerals, metals are present as their oxosalts, such as carbonates, sulphates, nitrates, phosphates, borates and silicates. Some important minera
effeciency of plate of chromotography
why is carbon valency four
What is a salt bridge? Salt bridge is a device used to link two electrodes on electrochemical cell. It maintains electrical neutrality and internal continuity. It is shown by
laws of chemical combination
Give detail about criteria of purity ?
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