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When an electron jumps from L to K shell:
(1) Energy is absorbed
(2) Energy is released
(3) Energy is sometimes absorbed and sometimes released
(4) Energy is neither absorbed nor released
Ans: Energy is released
Why is that Li is the only element in group 1A that reacts with dinitrogen to a nitride
A student wishes to prepare 250ml of a 0.20mol/L solution of oxalic acid (COOH)2.2H2O. a) Calculate the amount (no.of moles) of oxalic acid required. b) Calculate the mass of oxali
balance the equation
Assainment of liquefaction of gases in degree 2 nd sem
trend of atomic size
which factor on electron affinity depend?
The propyl group on carbon-4 has to be gauche to either the ethyl group or the isopropyl group. Due to the isopropyl group is larger, the propyl group is gauche to the ethyl group
Q. What is softening of water? Describe deionization method of water softening with diagram. Ans. Softening of water: The process of removing the hardness causing salts from
Discuss "cohesive energy" and "electron affinity". ‘Cohesive energy’: In a chemical bond, it’s the energy required to dissociate a solid into isolated atoms or molecules as ap
How many moles of gas occupy 98 L at a pressure of 2.8 atmospheres and a temperature of 292 K?
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