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The energy of an electron in orbit of hydrogen atom is : (1) 13.6/n 4 x eV (2) 13.6/n 3 xeV (3) 13.6/n 2 xeV (4)13.6/nx eV Ans:
Calculate the combustion energies for the burning of 1 mol of propane and butane. It can be supposed that all reactants and products are obtained under standard conditions.
The atomic orbitals are progressively filled in order of increasing energy. This principle is called as: (1) Hund's rule (2)Aufbau principle (3) Exclusion principle (4
example of two component with different composition
can u tell me what happens with ionic compounds when heat is given??
lithium and beryllium markedly differ from other members of their respective groups.
group1 metal reacts execess of oxygen
What is calgon n phosphate conditioning n which one is better?
Explain the Systems at high pressure - Phase Diagram? Binary phase diagrams begin to look different when the pressure is greater than the critical pressure of either of the pur
Given "X" could be any element determine the charge on ''X'' given the following chemical formula: X3P
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