Sections
Key Equations
Key Equations
| energy of hydrogen electron in an orbital | En=−13.6eVn2(n=1,2,3,...) |
| energy of any hydrogen-like electron in orbital | En=Z2n2Eo(n=1,2,3,...) |
| wavelength of light emitted by an electron changing states | 1λ=R(1nf2−1ni2) |
| wavelength of an orbital | nλn=2πrn(n=1,2,3,...) |
| heisenberg’s uncertainty principle | ΔxΔp≥h4π |
| alpha decay equation | XAZN→YA−4Z−2N+H42e |
| beta decay equation | XAZN→YAZ+1N−1+e+v |
| gamma decay equation | XAZN→XN+γ |
| radioactive half-life | N=NOe−λt |
| energy–mass conversion | E=mc2 |
| proton-proton chain | 2e− + 41H → 4He + 2ve+ 6γ |
| roentgen equivalent man | rem=rad×RBE |