The number of isotopes of elements with even mass number and even atomic number are ________________?

Related Mcqs:

Diameter of an atom is in the order of________________?

A. 0.2m B. 0.2mm C. 0.2nm D. 0.2pm...

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...

Which one of the following is not the mono isotopic element ?

A. arsenic B. uranium C. iodine D. nickel...

When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?

A. 0.33 nm B. 0.34 nm C. 0.35 nm D. 0.36 nm...

Which of the following is the formula of chrome red ?

A. Pb3 O4 B. 2Pb CO3 – Pb (OH)2 C. Pb Cr O4 – Pb (OH)2 D. Pb2O...