P block elements, why boron shows +3 as well as-3 oxidation states?

why boron shows +3 as well as-3 oxidation states?

Obtain by product - contain neither sulfur nor oxygen atom, A student attem...

A student attempting to sulfonate styrene (vinyl benzene) obtains a by product that contains neither sulfur nor oxygen atoms. Efforts to nitrate styrene yield identical results. Of

Westron, Explain westron its industrial manufacturing process.wetsron adva...

Explain westron its industrial manufacturing process.wetsron advantages and disadvantages in detail

Ions, How can you find the formula for a specific ion?

How can you find the formula for a specific ion?

the density of cesium chloride, Determine the density of cesium chloride w...

Determine the density of cesium chloride which crystallises in bcc type structure with the edge length 412.1 pm.The atomic masses of Cs & Cl are 133 & 35.5 respectively.   Solution

Explain heat atomisatin, What is heat atomisatin?  Solution :  Heat of...

What is heat atomisatin?  Solution :  Heat of atomisation or enthalpy of atomisation is the energy required to dissociate one mole of a given substance into atoms.

What is tracers?, In the study of mechanisms of various chemical reactions,...

In the study of mechanisms of various chemical reactions, Deuterium and Tritium are used as tracers.

Ionic bond,

Pariodik table.., writethe sort farmula of learn the pariodik table.

writethe sort farmula of learn the pariodik table.

Can you describe cream foams, Q. Can you describe Cream Foams? Cream, w...

Q. Can you describe Cream Foams? Cream, with a fat content of at least 30 per cent, can be beaten to form foam. However, it is observed that a cream with 36 per cent fat can be