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When a molecule is shown by two or more nearly equal structures, which vary in the arrangement of electrons, then the molecule is said to exhibit resonance.
If an electron has spin quantum number of +1/2 and a magnetic quantum number of -1 , it cannot be presented in an: (1) d -orbital (2) f -orbital (3) p -orbital (4)s-
Factor of affecting conductions
The electrons would go to lower energy levels first and then to higher energy levels according to which of the following: (1) Aufbau principle (2) Pauli's exclusion princip
trailing of mercury
Q. What is chlorophyll? A magnesium complex of porphyrin is called chlotophyll. the green colouring material in plants and which is essential for photosynthesis. Hemoglobin
0.45 g of anhydrous oxalic acid is reacted with 50 ml of KMNO4 . Then normality of KMnO4 is??
atoms combine to form molecule because they tend to
In the industrial production of sulphuric acid, SO 3 is carefully reacted with water: SO 3 + H 2 O → H 2 SO 4 any excess SO 3 giving rise to what is called oleum, a solut
Identify any samples that suggest gases were escaping from them as they cooled.
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