Mass spectrometer is used to determine Mass number of isotopes and___________________?
The properties of an element mosly corresponds to that isotope which has greater_________________?
For which of the following compounds the term empirical formula cannot be applied ?
When cationic molecular ions are allowed to pass through strong magnetic field in mass spectrometer which of the following ions is fallen__________________?
Isotopes of the same elements has__________________?
Which of the following is not a macromolecule ?
Percentage of calcium in calcium carbonate is___________________?
How many isotopes have odd atomic number ?
The number of moles of CO2 which contains 16 g of oxygen is__________________?
The volume occupied by 2.8 g of N2 at STP______________________?
