Did You Know that There Are Metals that Float and Explode On Water?
There are six alkali metals: Lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs) and francium (Fr). You’re probably familiar with lithium, since it’s inside the batteries of all your electronic devices. But did you know that you could cut a block of it with a simple knife and that it floats on water…
