Properties of Elements
Property | Type of | Property |
| Object * | Number |
|
|
|
Atomic Number | Real | 1 |
Mass Number † | Real | 2 |
Atomic Weight | Unit | 3 |
Density † | Unit | 4 |
Oxidation States † | String | 5 |
Electron Configuration | String | 6 |
State | String | 7 |
Melting Point | Unit | 8 |
Boiling Point | Unit | 9 |
Heat of Vaporization | Unit | 10 |
Heat of Fusion | Unit | 11 |
Specific Heat | Unit | 12 |
Group (U.S. Customary) | String | 13 |
Family | String | 14 |
Crystal Structure | String | 15 |
Atomic Volume † | Unit | 16 |
Atomic Radius | Unit | 17 |
Covalent Radius | Unit | 18 |
Thermal Conductivity † | Unit | 19 |
Electrical Conductivity † | Unit | 20 |
First Ionization Potential | Unit | 21 |
Electronegativity (Pauling’s number) | Unit | 22 |
Oxide Behavior | String | 23 |
Element Name ‡ | String | 24 |
Element Symbol ‡ | Name | 25 |
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*Properties returning unit objects return real objects if units aren’t used. Unknown values are returned as the string
† See the notes that follow this table.
‡ Not included in catalog of properties, but listed in the title of the catalog.
Notes about properties: Mass number for a stable element is based on the isotope with the highest percent abundance; for a radioactive element, it’s based on the longest
Data in the Periodic Table application is based on the “Periodic Table of the Elements” published by