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Just like lithium and beryllium in Groups Land 2, boron also shows anomalous behaviour. In general, the boron chemistry resembles that of silicon (occupying a diagonal position in
The electronic configuration 1s 2 , 2s 2 , 2p 1 x , 2p 1 z : (1) Oxygen (2) Nitrogen (3) Hydrogen (4) Fluorine Ans: Nitrogen
name an artificial fertilizer or fertilisisers which farmer can use to increase the supply of nitrate,phosphate and potassium to their crops.what are the function of ions?
why the hydrogen gases are used platinium plate in she
Major modes of food deterioration During storage and distribution, foods are exposed to a wide range of environmental conditions. Environmental factors such as temperature, hum
what do you mean by homologous series .
Physical properties Alkyl Halides (i) CH 3 F,CH 3 Cl, CH 3 Br and C 2 H 5 Cl are gases at room temperature. The alkyl halides up to be colourless liquids whereas higher members
how can we prepare adernaline from cyclohexane
why methane does not absorb IR radiation?
What are the limitations of valence bond theory?
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