Fluorine and bromine are Group 7 elements.
Which row in the table describes the physical state and appearance of these elements at room temperature?
| Fluorine | Bromine | |
|---|---|---|
| A | pale green gas | grey-black solid |
| B | pale yellow gas | red-brown liquid |
| C | pale yellow gas | grey-black solid |
| D | pale green gas | red-brown liquid |
Fluorine: pale green gas; Bromine: grey-black solid
Fluorine: pale yellow gas; Bromine: red-brown liquid
Fluorine: pale yellow gas; Bromine: grey-black solid
Fluorine: pale green gas; Bromine: red-brown liquid