Which of the following statement is correct ?

Related Mcqs:

The number of peaks obtained in mass spectrometry shows____________________?

A. Relative abundance B. Average mass of element C. Number of isotopes D. Relative isotopic mass...

When cationic molecular ions are allowed to pass through strong magnetic field in mass spectrometer which of the following ions is fallen__________________?

A. lighter B. intermediate C. heavier D. are collected at same time...

Isotopes differ in_________________?

A. properties which depend upon mass B. arrangement of electrons in orbitals C. chemical properties D. all of the above...

Which of the elements do not fall in stair case of the modern periodic table__________________?

A. Si B. As C. Te D. None of the above...

Solubility of CaF2 is 2.0×10-4 gdm-3 then Ksp of CaF2 is_______________?

A. 4.0 x 10-8 B. 3.2 x 10-11 C. 2.0 x 10-8 D. 4.0 x 10-12...