Has Periodic Table Changed?

The periodic table has long-since filled in Mendeleev's gaps and has added new elements. It has even changed the weights of other elements. The periodic table is continually being changed as new discoveries are made and new theories are developed to explain the behavior of chemicals.

What is the latest element in periodic table?

Their names are Nihonium, Moscovium and Tennessine. The fourth element is named Oganesson. It was named after a Russian nuclear physicist named Yuri Oganessian.

Why is the periodic table still used today?

Today, the table can be used to predict properties of elements yet to be discovered, although these new elements are all highly radioactive and break down into more familiar elements almost instantly. ... The table tells each element's atomic number and usually its atomic weight.