Potassium (K) is among the most critical nutrients for California’s agricultural tree nut crops. As the most abundant cation ...

Moist air reacts with potassium to form potassium oxide. This creates a layer over the surface of the metal. These observations show that the reactivity of these metals increases going down the group.

Potassium carbonate is one of the chemicals ... We chose to use iron(III) oxide, or Fe 2 O 3, known more commonly as rust. We got rust off an old corrugated iron shed at the sawmill.

Lithium, Li Fizzes steadily; slowly becomes smaller until it disappears Sodium, Na Fizzes rapidly; melts to form a ball; quickly becomes smaller until it disappears Potassium, K Burns violently ...