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It took humans long                              as it was found as a glowing white rock. Its discovery might be an accident, but a great
                                                                                enough to figure out that                          one.
                                                                                there are pure substances
                                                                                called elements— a few                                     How about we talk about helium, the gas famous for making people’s voices a

                                                                                thousand years, as a                               few pitches higher? How interesting it is that it was once almost mistaken for sodium,
                                                                                matter of fact. Many are                           which is far from what helium is. How did they mess up that obvious mistake? Well,
                                                                                fascinated by the periodic                         it is because helium was first discovered using the observations of sunlight, through
                                                                                table in their science                             analysing the spectra of light they emit. Coincidentally, the wavelength of helium was so
                                                                                classes, or have stumbled                          similar to that of sodium, yet a bit different, so it was mistaken and left untouched until
                                                                                upon  the  concept  of  the                        someone noticed it again. Many thought helium could only possibly exist in the sun,
                                                                                elements usually  found                            but not so long after, they got doubted by the lava of Mount Vesuvius, which is the first
                                                                                in your favourite TV                               indication of helium on earth. It was confirmed to be a new element 12 years later. The
                                                                                shows. It is a concept that                        name helium was named after the Greek god or personification of the sun, Helios.

                                                                                has been twirling around
                                                                                our heads for the last few                         Many elements were found around the Age of Enlightenment, and it did not take long for
                                                                                thousands of years, even                           scientists to realise there is something going on, something much more arcane, which is
                                                                                until today.                                       the coincidences of the elements that once seemed random and chaotic, which developed
                                                                                                                                   into the later on, periodic table, which is extraordinary. And yes, we are talking about the
                                                                                  First, let's go through                          Russian chemist Dmitri Mendeleev. Many scientists have tried to arrange the elements,
                                                                                the more ancient ideas on                          yet he was the one who truly succeeded. He was smart to figure out how to leave some
                                                                                the concept of elements.                           gaps in it to later fill them with newly discovered elements. Through the pattern of it,
                                                                                It had already been                                Mendeleev even succeeded in predicting many undiscovered elements, which turned
                                                                                circulated  since  ancient                         out to be correct. It is quite a pity he failed to win the Nobel Prize.
                                                                                Egypt, China and so on.

                                                                                The idea then came to the
                                                                                iconic Greek philosopher                                   The elements nowadays play an important role in our lives. You have probably
                                                                                Aristotle,  who  suggested                         heard some family members talk about how important it is to take in enough calcium
                                                                                that there might be                                and potassium. You might also think the scientists are done with the elements by now,
           something fascinating that forms the physical world. He then thought of the early                                       but that would be wrong, as new elements just waved hello to us not so long ago. The list
           “elements”. Well, Aristotle might have just sat beside a fireplace and started thinking, as                             of elements will go on for a long period of time, so be sure to keep an eye out when future
           the “elements” he preached were earth, fire, water and air, which are responsible for the                               members of the periodic table are found.
           burning of logs and sticks, amplified to portray how they form the entire world.

                                                                                                                                   Written by Teoh Yu Ning Jr3D(2)
                  He was lucky that the idea survived for a fairly long time, until the alchemists                                 Illustration by Tan Xin Yee Sr1A
           came in. Many of them were crazy about the philosopher’s stone, which is believed to
           be able to turn metals into gold. Hennig Brand was an alchemist in the 17th century. He
           ran through several experiments in the hope of finding the philosopher’s stone, which
           is still an enigma. He then stumbled across something considered an actual element,
           phosphorus, when he was running an experiment to distil human urine. He named what                                              [Editor’s Recommendation: “Little Alchemy” is an online game where
                                                                                                                                           you can mix the elements of earth, fire, water and air together in different
           he found phosphorus, from the Greek word Phōsphóros, which means bringer of light,
                                                                                                                                           combinations to form a huge variety of items. Feel free to try it out!]





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