The calcium reacts with the water but does not get nearly as hot as either the sodium or potassium. Also, the calcium hydroxide produced forms a white solid in the solution which is different from the ...

When Dmitrii Mendeleev proposed his periodic table 150 years ago, no one knew what was inside an atom. Today, we know that an element’s place on the table, along with its chemical properties ...

Scientists recently created a never-before-seen four-atom molecule — the coldest of its kind ever made. Researchers created the oddball molecule — a strange configuration of sodium-potassium ...