Atom, An element L has 9 protons and valency 1. Another element M has valen...

An element L has 9 protons and valency 1. Another element M has valency 3 and 5. What is the difference in the number of electrons in L and M ?

Why does the solution become purple after drops of iodine, 1(a). In these r...

1(a). In these reactions, I2 (in the iodine solution) has what oxidation number? 1(b). The iodine starch reaction that turns purple depends on iodine being in the I- state. Was

Solid state: silver density, Silver has a density of 10.5gcm -3 . The no. ...

Silver has a density of 10.5gcm -3 . The no. of silver atoms on a surface area of 10-12m 2 can be expressed in scientific notation aas y x 10x.The value of x is ..? Ans) d = m

Fractional crystallisation- purification of organic compound, Fractional cr...

Fractional crystallisation- Purification of organic compound The method of separation of diverse components of a mixture by repeated crystallisations is termed as fractional cr

Chemistry collective virtual simulator, Introduction This lab will be ...

Introduction This lab will be performed using the Chemistry Collective Virtual Lab Simulator. The ChemCollective is an award winning chemistry online resource. In addition to

Emf series and its application,

Diff b/w resonance and mesomerism, #question.what is the diff b/w reso and ...

#question.what is the diff b/w reso and mesomerism.

#bicyclo nomenclature., how to nomenclate bicyclo compounds

how to nomenclate bicyclo compounds

Problem, The diffraction of x-ray by a crystal gives 1st order ref at 14•12...

The diffraction of x-ray by a crystal gives 1st order ref at 14•12'' if lattice dist is 3.14 A• wht is the wavelength of x-ray

Grignard reagants, what are grignard reagants ? how are tthey prepared is l...

what are grignard reagants ? how are tthey prepared is laboratory ? what makes them so important in synthetic chemistry?