1. | \(2\) protons only. |
2. | \(2\) protons and \(2\) neutrons only. |
3. | \(2\) electrons, \(2\) protons, and \(2\) neutrons. |
4. | \(2\) electrons and \(4\) protons only. |
1. | \(\frac{1}{Ze} \) | 2. | \(v^2 \) |
3. | \(\frac{1}{m} \) | 4. | \(\frac{1}{v^4}\) |
1. | \(M_1M_2\). | directly proportional to
2. | \(Z_1Z_2\). | directly proportional to
3. | \(Z_1\). | inversely proportional to
4. | \(M_1\). | directly proportional to mass
The radius of Germanium \((\mathrm{Ge})\) nuclide is measured to be twice the radius of \({}_{4}^{9}\mathrm{Be}.\) The number of nucleons in \(\mathrm{Ge}\) is:
1. \(73\)
2. \(74\)
3. \(75\)
4. \(72\)