Number of electrons in its outermost as well as penultimate, Which among th...

Which among the following species have the same number of electrons in its outermost as well as penultimate shell: (1) Mg 2+                               (2) O 2-

The magnetic quantum number of valence electron of sodium, The magnetic qua...

The magnetic quantum number of valence electron of sodium (Na) is: (1) 3               (2) 2         (3) 1                (4) 0 Ans: 0

Electrolysis, discuss the concentration of cations in the solution copper ...

discuss the concentration of cations in the solution copper sulphate and zinc sulphate

In semiconductors why we use only pentavalent or trivalent?, Penta valent ...

Penta valent element has one electron more than 4 electrons which could be used for conduction while the trivalent elements has 1 electron less , this can also be seen as a hole

Doping, What is doping

What is doping

the rate of entropy change within the turbine , An adiabatic air compresso...

An adiabatic air compressor is to be powered by a direct-coupled adiabatic steam turbine that is also driving a generator. Steam enters the turbine at 12.5 MPa and 500oC at a rate

Hydrogen peroxide, Hydrogen Peroxide Hydrogen peroxide is the other im...

Hydrogen Peroxide Hydrogen peroxide is the other important hydride of oxygen. The oldest method of its preparation is by the action of dilute sulphuric acid on barium peroxide

Metallic bonding,

Explain chemistry changes of food deterioration, Chemical Changes Duri...

Chemical Changes During the processing and storage of foods, several chemical changes occur that involve the internal food components and the external environmental factors. T

Chemical bonding, H2,Li2,B2 each has bond order equal to 1 , the order o...

H2,Li2,B2 each has bond order equal to 1 , the order of stability is