Report Abuse. You are self employed or independent contractor. You must file your tax return if your self employed income is $400 or more. You will report your income and expenses on schedule C or C-EZ (Form 1040). Then you put net income (or loss) on line 12 of Form 1040.eport Abuse. You are self employed or independent contractor. You must file your tax return if your self employed income is $400 or more. You will report your income and expenses on schedule C or C-EZ (Form 1040). Then you put net income (or loss) on line 12 of Form 1040.
Key points. 1  Bohr's model of hydrogen is based on the nonclassical assumption that electrons travel in specific shells, or orbits, around the nucleus. 2  Bohr's model calculated the following energies for an electron in the shell, nnnn:
After the cubic model (1902), the plum-pudding model (1904), the Saturnian model (1904), and the Rutherford model (1911) came the RutherfordâBohr model or just Bohr model for short (1913). The improvement to the Rutherford model is mostly a quantum physical interpretation of it.