Developing the periodic table The periodic table was developed by grouping elements with similar properties. This, together with a later arrangement by atomic weight, led to a repeating pattern of ...

and read off the time using the atomic number of the elements. So, if it’s 13:03:23, that would light up aluminum in blue, lithium in green, and vanadium in red. The periodic table was designed ...

They all have a link to the periodic table, which turned 150 in 2019! Here are some fascinating elements that you may ... it will levitate. Yep, you read that right. LEVITATE.