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The maximum energy is present in any electron at:
(1) Nucleus
(2) Ground state
(3) First excited state
(4) Infinite distance from the nucleus
Ans: Infinite distance from the nucleus
laws of chemical combination
Which of the following halides has maximum melting point: (1) NaCl (2) NaBr (3) Nal (4
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The present atomic weight scale is based on: (1) C 12 (2) O 16 (3) H 1 (4)C 13 Ans: C 12
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