Ionic bond,

Describe about dioxides, Q. Describe about Dioxides? These are generall...

Q. Describe about Dioxides? These are generally obtained by heating the element in air. The dioxides of Se and Te can also be prepared by treating the element with conc. HNO, f

Physical chemisty, Calculate the ratio of d number of molecules in two ener...

Calculate the ratio of d number of molecules in two energy levels at 27''c given E2=9.75x10"-13erg/mol E1=6.95X10"-13erg/mol g1=2 g2=3

Phosphorus, PHOSPHORUS, ARSENIC AND ANTIMONY The bigger elements in the ...

PHOSPHORUS, ARSENIC AND ANTIMONY The bigger elements in the same group (15) as nitrogen are usually known as 'pnictogens' and their compounds with metals as 'pnictides'. Althoug

Correct relationship between wavelength momentum of particle, Which is the ...

Which is the correct relationship between wavelength and momentum of particles: (1) γ= h/ p                  (2) Π h/ p    (3) p= h/ γ (4) h= p/ γ Ans: γ= h/ p

Gas laws, molecular chlorine and molecular fluorine combine to form a gaseo...

molecular chlorine and molecular fluorine combine to form a gaseous product.Under the same conditions of temperature and pressure it is found that one volume of Cl2 reacts with thr

Quantum number specifiying location of an electron, The quantum number whic...

The quantum number which specifies the location of an electron as well as energy is : (1) Principal quantum number (2) Azimuthal quantum number (3) Spin quantum number

Concentration, What does concentration exactly mean?

What does concentration exactly mean?

Filtration, why is filtration in soil and water a slow process and explain ...

why is filtration in soil and water a slow process and explain the colour change in the filtrate

Bohr model of an atom could not account for, Bohr model of an atom could no...

Bohr model of an atom could not account for : (1) Emission spectrum   (2) Absorption spectrum   (3) Line spectrum of hydrogen  (4)Fine spectrum Ans:  Fine spectrum