Liste des hashtags les plus populaires par sujet #PERIODICTABLE

Faculdade de química - UNAM em homenagem ao ano internacional da tabela periódica. Que aí amou, levanta a mão . . . . #quimicaporamor #químicaporamor #studygram #chemistry #chemical #tabelaperiodica #periodictable

#kimyauzerine #kimya #chemistry #kimyager #chemist #laboratuvar #deney #çözelti #renkli #molekül #bileşik #laboratory #periodictable #periyodiktablo #element #atom #soygaz #periodictable #chemical #reaction #kimyasal #bilim #science #experiment

#mexicanuniversity #periodictable #elements #CHEMI #chemists #chemistry #chemistrybooks #chemo #chemin #chemicalguys #Chemistrylovers #chemistrylab #Chemistryclass #chemistrysystem #chemistrymemes #chemistrylife #chemistryfun #chemistrylol #chemistrylol #chemistryking #chemistrygirls #CHEMISTRY #chem

Güzelmiş @worldofchemistry #kimya #kimyauzerine #periyodiktablo #periodictable #kimyager #chemist #laboratuvar #element #atom #good #perfect

The Heritage Periodic Table Display: a comprehensive collection of the chemical elements that can fit in the hand. Embedded in acrylic are actual samples of 83 of the 118 elements- including pure bubbles of the gaseous elements- represented by 75 high purity samples and 7 compounds. 2019 marks the 150th anniversary of the world changing periodic system of Dmitri Mendeleev (published in 1869). This table and collection is the creative work of Tim and Cory Marriott of Engineered Labs Protoshop LLC ➡️ Follow the link in my profile for info on where to get this miniature element collection and other amazing items featured here on @physicsfun #periodictable #elements #elementcollection #heritageperiodictable #isotope #nucleus #physics #physicstoy #chemistry #nuclear #science #scienceisawesome

Beautiful cake!!! . . . . . . . . . . #chemistry #chemistrylab #lookattheblue #biotechnology #scientists #chemist #periodictable #physics #chemistry_lab #chemistrylove #organicchemistry #chemistrylovers #chemistryfun #inorganicchemistry #chemistrystudent #chemistryisfun #chemistrymemes #chemistryclass #physicalchemistry #chemistryteacher #chemistrydaily #chemistryexam #chemistryproblems #chemistry2 #chemistrynotes #science #biology #physicist #scientist #research

WhITe CoAt, BrOWn SkIn ‍ . . . #grad #gradcap #gradcaps #college #collegegrad #collegegraduate #graduation #congratsgrad #graduationcap #graduationcaps #hbcu #hbcugrad #tsrgradcapz #tsrgradz #blackgrads #blackgraduates #mickeyyant #periodictable #chemistry #biology #whitecoat #dna

#worldofchemistry #chemistryjoke #chemistrytattoo #chemistrymemes #periodictable #chemistrytalk #inorganicchemistry #physicalchemistry #organicchemistry #chemistrylaboratory #biochemistry #chemicalromance #chemia #chemicalpeels #chemicalpeel #chemicalpeels #chemicalguys #sciencememes

Run your fingers over the white keys of a piano. The notes get higher and higher as your hand moves to the right. On the eighth key, something beautiful happens: a note hangs in the air that embodies something of the first, only with a different pitch. We began to twig that something similar was going on with the chemical elements more than 150 years ago. Scientists even called it the law of octaves. And it is this repetition in the properties of the elements that the periodic table captures so beautifully. Similar elements end up stacked in columns or groups. One group comprises noble gases like argon and neon that barely react with anything, another contains reactive metals, some of which, like francium, explode on contact with water. But there are doubts over whether the periodic table is in the best possible configuration. Just as notes can be arranged in various ways to produce music, so the essence of the relationships between the elements could be depicted differently. There is no easy way to judge which is better, or more “true”. So arguments over perceived flaws in the current arrangement rumble on, with some chemists arguing that certain elements should be relocated – and others working on more radical ways to recompose the table. All the niggles in the original periodic table have persuaded some chemists that we need to redraw the periodic table – and there is no shortage of ideas. One alternative is the spiral developed by Theodor Benfey, which allows a group of elements called the f-block (elements 57-71 and 89-103) to bulge outwards (see image, above). That’s just one of hundreds of alternative versions that Mark Leach at Manchester Metropolitan University, UK, keeps on an internet database of periodic tables. To celebrate the 150th anniversary of the periodic table, find out how chemists plan to solve these problems at our bio link. (Story by Joshua Howgego, Theodor Benfey) #ThePeriodicTable #PeriodicTable #TheElements