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atoms combine to form molecule because they tend to
Electron configurations are governed by a limitation called as the Pauli Exclusion Principle: No two electrons can have the same value for all four quantum numbers n, l, m a
is (NH4)2S react with HNO3?
Antidepressants: These drugs are specified to patients along with shattered confidence. These provide a feeling of well being and confidence in the person of depressed mood. H
Q. Evolution of the Modern Atomic Model? Ans: The atomic models of Dalton, Thomson, Rutherford, and Bohr eventually evolved into the current-day Quantum Mechanical model of the
Q.Briefly describe about Nitrogen? Ans. Nitrogen is a gas that makes up approximately 79% of the atmosphere. It exists in the form of the diatomic molecule N 2 . In this f
Q)why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction? Ans) The Standard free energy of formation of Cu2S is greater than
example of two component with different composition
Bond energy of covalent O-H bond in water is: (1) Greater than bond energy of H bond (2) Equal to bond energy of H bond (3) Less than bond energy of H bond (4) None o
variation of cnductivigy with temperature
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