Calculate the percentage of nitrogen in NH2CONH2.
Category Objective Chemistry-11 Soft Book
Differentiate between qualitative and quantitative analyses.
What is the justification of two equally strong peaks in the mass spectrum for bromine, while for iodine only one peak at 127amu is indicated?
No individual Neon atom in the sample of the element has a mass of 20.18 amu. Explain.
Why do most of the elements have fractional atomic masses?
Write down any four methods used for the separation of isotopes.
What is electrometer? Give its function in mass spectrometer.
What is the function of magnetic field in mass spectrometer?
What is the function of ionization chamber in mass spectrometer?
Draw a labelled diagram of Dempster’s mass spectrometer.