Atomic strucyure, Ask The frequency of one ... The frequency of one of the ...

Ask The frequency of one ... The frequency of one of the lines in Paschen series of hydrogen atom is2.340x10 11 Hz. The quantum number n 2 which produces this transition is: (1) 6

Acid halide, what are the chemical propertiies of acid halide?

what are the chemical propertiies of acid halide?

Mole, how to teach mole to students

how to teach mole to students

What is happen when h2so4+hno3 adding to the phenol?, Phenol + HNO3(in pres...

Phenol + HNO3(in prescence of sulphuric acid) --> 2-nitrophenol + 4-nitrophenol.

Hydrogen isotopes, chemical properties of protium,deuterium and tritium..

chemical properties of protium,deuterium and tritium..

Uses of glucose - biomolecules, Uses of Glucose (a) Glucose is used in ...

Uses of Glucose (a) Glucose is used in the conservation of fruits and making of jams and jellies. (b) Glucose is used in the preparation of confectionary and as a sweetening

Molality and molarity, the density of 2 molal aqueous solution of NaOH is 1...

the density of 2 molal aqueous solution of NaOH is 1.10g/L. Calculate the molarity of the solution.

Sructure of atoms, what is electronic configuration

what is electronic configuration

Ionic bond,

Radioanalytical methods, Radioanalytical methods: Radioanalytical meth...

Radioanalytical methods: Radioanalytical methods using radiotracers and activation analysis are more sensitive and specific because of ease of detection of nuclear radiation.