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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. Determine Atomic Number and Mass Number? One of the four naturally taking place isotopes of chromium has a mass number of 53. Determine the number of electrons, protons and
Chain transfer agents In Vinylic polymerisation several other molecules react along with main growing chain to interrupt the additional growth of the original chain. This takes
experiment with diagram
lithium and beryllium markedly differ from other members of their respective groups.
It is desired to create 5 kg of superheated steam at 300 o C and 20 bar using an isobaric mixer. If 543 kJ of heat are sent to the system, and 2 kg of saturated steam is mixed wit
Q. What is Atomic emission spectra? Atomic emission spectra while atoms of an element in the gaseous phase are excited by an input of energy such as that from a high-voltage
n-propyl acetate (bp 102 C) evaporates rapidly when exposed to air, but water(bp 100C)does not. Explain why
The first use of quantum theory to explain the structure of atom was made by: (1) Heisenberg (2 )Bohr (3) Planck (4) Einstein Ans: Bohr
question..in which the molality is used? units of molality
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