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In an element going away from nucleus, the energy of particle : (1) Decreases (2) Not changing (3) Increases (4) None of these Ans: Increases
A nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in a reaction. All molecules or ions with a free pair of electrons or a
Q. Illustrate Nature of light as a particle? Ans. You have seen that when excited electrons return to the ground state they release packets of energy, called photons. Photons
What are the most significant properties of permanent magnetic materials? Explain. Ans: The most significant properties of permanent magnetic materials are (i) Remanen
How many moles of copper will be produced from 2.00 moles of aluminum?
The only nonradioactive isotope of fluorine has 9 protons and 10 neutrons. a. What is its mass number. b. Write the full symbol of this atom.
According to Aufbau's principle, which of the three 4d, 5p and 5s will be filled with electrons first: (1) 4d (2) 5d (3) 5s (4) 4d and 5s will be filled simultaneo
Formula of a metallic oxide is MO.The formula of its phosphate will be: (1) M 2 (PO 4 ) 2 (2) M (PO 4 ) (3) M 2 (PO 4 ) (4) M 3 (P
Q. Show the chemical properties of Aluminium? Aluminium has a very high affinity for oxygen; this is reflected in high exothermic heat of formation of Al 2 0 3 (-1676 kJ mol -
the measured dipole moment of-para nitroaniline (6.2D) is larger than the value calculating using empirical group moment (5.2D)
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