Answer:
Like other alkali metals, rubidium metal reacts violently with water. As with potassium (which is slightly less reactive) and caesium (which is slightly more reactive), this reaction is usually vigorous enough to ignite the hydrogen gas it produces.
Explanation:
hope it helps
Answer:
B
Explanation:
so that way they can hide away from the predators
Answer:
Potassium is an element that has 19 electrons
Answer:
The answer is A. Lithium and Sodium