Preodic classification, what is nobel gasses

what is nobel gasses

Teflon - halogen derivatives, Teflon - Halogen Derivatives 1. Teflon is...

Teflon - Halogen Derivatives 1. Teflon is plastic such as substance produced by the polymerisation of tetrafluoroethylene (CF 2 = CF 2 ). 2. Tetrafluoroethylene is made whi

D block elements , explain why Cu2+ ion is not stable in aqueous solution?

explain why Cu2+ ion is not stable in aqueous solution?

Nitric Acid, How does nitric acid reacts with metals in different concentra...

How does nitric acid reacts with metals in different concentrations?

Soap, Ask question #Minimum 60 words accepted#

Ask question #Minimum 60 words accepted#

Ionic bond,

Break point chlorination, Break point chlorination: It may be defined as t...

Break point chlorination: It may be defined as the chlorination of water to such an extent that not only living organism but also other organic impurities in water are destroyed.

Sublimation, What is sublimation?

What is sublimation?

Quantum mechanical model of the atom, The frequency of strong yellow light ...

The frequency of strong yellow light in the spectrum of sodium is 5.09•10*14s calculated the wavelength of light

Number of electrons and neutrons of an element & mass no, The number of ele...

The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is: (1) 17              (2) 37        (3)2              (4)38 Ans: 17