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Pauli's exclusion principle states that :
(1) Nucleus of an atom contains no negative charge
(2) Electrons move in circular orbits around the nucleus
(3) Electrons occupy orbitals of lowest energy
(4) All the four quantum numbers of two electrons in an atom cannot be equal
Ans: All the four quantum numbers of two electrons in an atom cannot be equal
factors influencing chemical shift
Number of electrons in -CONH 2 is: (1) 22 (2) 24 (3) 20 (4)28 Ans:24
Explain the following and give one example of each: a. Tranquillizers b. Mordant c. Hybrid rocket propellants
Name: Cyclohexane Formula: C6H12 Molar mass: 84.16 g/mol Density: 779.00 kg/m³ As it''s density is less than that of water, it floats on water rather than sinking.
What is heat atomisatin? Solution : Heat of atomisation or enthalpy of atomisation is the energy required to dissociate one mole of a given substance into atoms.
How many electron have br+ Neutral Br, being in Group 7A, has 7 valence electrons; therefore, Br+ has 6.
Ask quCOPPER REACT REACT WITH OXYGEN TO FORM TWO OXIDES X AND Y ON ANALYSIS 1.535g OF X YIELDED 1.365 OF COPPER AND 1.450 OF Y YIELDED 1.160g OF COPPER 1 DETERMIN THE CHEMICAL FOR
Q. Determine the taste threshold for different sensations? • perceive the individual differences existing for taste stimulation, and • identify your own threshold and iden
how to find the structure of Mn2(CO)10
#questio1. Alcohols and amines are both nucleophilic. Explain why this reaction occurs to form Benadryl (diphenhydramine)n..
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