If the wavelength of the electron is numerically equal to the distance travelled by it in one second, then

The relative charges of electron, proton, and neutron respectively are:&nbsp;

What is the mass number of a Chlorine atom?&nbsp;

Energy of electron in second orbit of He+ is&nbsp;

The nucleus was discovered by James Chadwick in an experiment involving the bombardment of the nucleus of which atom with α-particles?&nbsp;

The number of protons in the nucleus of a carbon atom is ______.

If the wavelength of the electron is numerically equal to the distance travelled by it in one second, then

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