These superheavy elements (SHE) complete the seventh row of the periodic table, culminating in element 118, oganesson. However, creating these elements is no small feat.

If you are intimidated by the periodic table, then this introduction through the first column of elements will give you a feel for how and why the elements are arranged in this order.

Sir William Ramsay, the Scottish chemist who discovered several noble gases, is the subject of today’s Google doodle. The noble gases are a group of chemical elements with very low reactivity ...