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Q. Illustrate modern atomic model of De Broglie? 1. Electrons inhabit the space surrounding the nucleus and can exist in several discrete principal energy levels each designate
Bohr model of an atom could not account for : (1) Emission spectrum (2) Absorption spectrum (3) Line spectrum of hydrogen (4)Fine spectrum Ans: Fine spectrum
Disinfectants: The chemical substances that are employed to kill microorganisms although they cannot be applied on living tissues are known as disinfectants. Hence, disinfectan
calculate the volume occupied by 10000000000000000000000 molecules of a gas at 300 K & 760 mm pressure
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
Post-harvest handling of fresh produce Fruits and vegetables because of their high moisture content are extremely susceptible to deteriorate, especially under tropical c
WHAT ARE THE ELEMENTS OF DETERMINED QUALITATIVE ANALYSIS
how to calculate equivalent weight of LMnO4
Draw the structures of white phosphorus and red phosphorus. Which one of these two types of phosphorus is more reactive and why?
thermodynamics help to be a good chemist
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