Halogen Elements
Halogens are highly reactive nonmetals in Group 17. They have seven valence electrons and readily form salts with metals.
6 elements
9F
Fluorine
18.99840316 uGasEN: 3.98
17Cl
Chlorine
35.45 uGasEN: 3.16
35Br
Bromine
79.90 uLiquidEN: 2.96
53I
Iodine
126.9045 uSolidEN: 2.66
85At
Astatine
209.98715 uSolidEN: 2.2
117Ts
Tennessine
294.211 uExpected to be a Solid
Property Comparison
| # | Symbol | Name | Mass (u) | State | MP (K) | BP (K) | EN | Density |
|---|---|---|---|---|---|---|---|---|
| 9 | F | Fluorine | 18.99840316 | Gas | 53.53 | 85.03 | 3.98 | 0.001696 |
| 17 | Cl | Chlorine | 35.45 | Gas | 171.65 | 239.11 | 3.16 | 0.003214 |
| 35 | Br | Bromine | 79.90 | Liquid | 265.95 | 331.95 | 2.96 | 3.11 |
| 53 | I | Iodine | 126.9045 | Solid | 386.85 | 457.55 | 2.66 | 4.93 |
| 85 | At | Astatine | 209.98715 | Solid | 575 | — | 2.2 | 7 |
| 117 | Ts | Tennessine | 294.211 | Expected to be a Solid | — | — | — | — |