| Individual Field Constraints | ||||||||
|---|---|---|---|---|---|---|---|---|
| Field name | Type Allowed | Min Allowed | Max Allowed | Sign Allowed | Nulls Allowed | Duplicates Allowed | Values Allowed | Regular Expressions |
| Z | int | 1 | 92 | positive | 0 | no | ||
| Name | string | 3 | 12 | 0 | no | |||
| Symbol | string | 1 | 2 | 0 | no | |||
| Period | int | 1 | 7 | positive | 0 | |||
| Group | real | 1.0 | 18.0 | positive | ||||
| ChemicalSeries | string | 7 | 20 | 0 | "Actinoid" "Alkali metal" "Alkaline earth metal" "Halogen" "Lanthanoid" "Metalloid" "Noble gas" "Nonmetal" "Poor metal" "Transition metal" |
|||
| AtomicWeight | real | 1.007947 | 238.028913 | positive | 0 | |||
| Etymology | string | 4 | 39 | 0 | ||||
| RelativeAtomicMass | real | 1.007947 | 238.028913 | positive | 0 | |||
| MeltingPointC | real | -258.975 | 3675.0 | 1 | ||||
| MeltingPointKelvin | real | 14.2 | 3948.0 | positive | 1 | |||
| BoilingPointC | real | -268.93 | 5596.0 | 0 | ||||
| BoilingPointF | real | -452.07 | 10105.0 | 0 | ||||
| Density | real | 8.988e-05 | 22.61 | positive | 0 | |||
| Description | string | 1 | 83 | |||||
| Colour | string | 4 | 80 | |||||