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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
Line Spectru- A emission spectrum that contains very sharp peaks (Prism Like Structure) , corresponding to transitions between states in free atoms.For example, the line spectrum o
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Which one is the electronic configuration of Fe +2 : (1) 1s 2, 2s 2 , 2p 6 , 3s 2 , 3p 6 , 3d 6 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 4 , 4s 2 (3) 1s 2 , 2s 2 ,
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1(a). In these reactions, I2 (in the iodine solution) has what oxidation number? 1(b). The iodine starch reaction that turns purple depends on iodine being in the I- state. Was
PERIODIC TABLE and PERIODICITY OF ELEMENT
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