The seventh row of the table was completed in 2016 when Tennessine, Nihonium, Moscovium, and Oganesson were added. Elements ...

Test your knowledge and compete with other Live Science readers to see who can come top in our periodic table quiz. The ...

in an attempt to memorise some of the 118 elements. This year, the periodic table of chemical elements celebrates its 150th birthday. As the candles on the cake are lit, it's time to test your ...