Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in ...

Players read questions about energy levels and score points by picking the correct element as the answer ... the next electron goes into the third level. 3rd Period: Sodium to argon—Electrons go into ...

For example, lithium (Li), sodium (Na) and potassium (K ... all which can be found on the modern periodic table. The element germanium was discovered in 1886. Its properties were similar to ...

Up until this point the atomic number simply referred to an element’s positioning in the periodic table, and was not known to correspond to a measurable physical quantity. Thanks to Moseley’s work it ...

Click on the images below to automatically tweet the element infographics. Download the PDFs to make your own wall displays or education resources. We've also created a range of IYPT-themed, ...

Instead, they're always two atoms of the same pure element bonded together ... the basic building blocks of the universe. On the periodic table, which contains 118 elements, there are only ...

This article explores these updates and their significance. Nihonium, developed by Japanese researchers, was officially recognized as the 113th element of the periodic table. It was synthesized at ...

Bismuth, the 83rd element in the periodic table ... harmless — many bismuth compounds are even less toxic than table salt (sodium chloride) 4! This makes bismuth unique among the heavy metals ...

Group 7 of the periodic table is something of an oddity ... by the Italian team revealed a new element, which could be extracted by boiling with sodium hydroxide that also contained a small ...

For example, lithium (Li), sodium (Na) and potassium (K ... all which can be found on the modern periodic table. The element germanium was discovered in 1886. Its properties were similar to ...