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The electronic configuration of a metal M is 1s 2 , 2s 2 , 2p 6 , 3s 1 , The formula of its oxides will be: (1) MO (2) M
Q. Magnetic Properties of f-block element? You have learnt in the preceding unit-that paramagnetism is related with the presence of unpaired electrons in a substance. The actin
When beryllium is bombarded with α -particles, extremely penetrating radiations which cannot be deflected by electrical or magnetic field are given out. These are: (1) A beam
why boron have maximum covalency 4 and others have maximum covalency 6
Use the VSEPR model to predict approximate molecular geometries and electron-domain for the following species. (a) XeF 2 , (b) NH3Cl + , (c) BrO2 -
explain how electrophoretic effect affects transport number
In the cases that we carried out in lectures we assumed that, in scaling up: If the TIP Speed was constant then (Note: Because D a and D t are constructed at a fixed ratio we
1.which of the following is f-block element /
a nitrogen molecule travel at about 505 m/s at room temperature. find the velocity of a helium atom at the same temperature
Which of the following has highest melting point: (1) BaCl 2 (2) MgCl 2 (3) Cacl 2
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