Atomic Mass Unit
One twelveth of the mass of an atom of carbon-12. It is equal to 1.66 x 10⁻²⁷ kg
One twelveth of the mass of an atom of carbon-12. It is equal to 1.66 x 10⁻²⁷ kg
Average relative mass of an atom of element compared to mass of carbon -12 taken as 12 a.m.u
If an electron has spin quantum number of +1/2 and a magnetic quantum number of -1, it cannot be represented…
In the formation of N₂⁺from N₂, the electron is lost from Options (a) σ orbital (b) π orbital (c) σ…
During change of O₂ to O₂⁻ ion, the electron adds on which one of the following orbitals? Options (a) π*…
In a homonuclear molecule, which of the following sets of orbitals is degenerate? Options (a) σ 1s and σ 2s…
Which one of the following explains light both as stream of particle and as wave motion? Options (a) Diffraction (b)…
The forces present in the crystals of naphthalene are Options (a) van der Waal's forces (b) hydrogen bonding (c) electrostatic…
In hydrogen spectrum, the different line of Lyman series are present in Options (a) UV field (b) IR field (c)…
The metal having the highest melting point is Options (a) chromium (b) diamond (c) tungsten (d) silver Correct Answer: tungstenExplanation:Tungsten…