Period (periodic table) across periods. Seven periods of elements occur naturally on Earth. For period 8, which includes elements which may be synthesized after 2016, see the extended periodic table. A group in chemistry means a family of objects with similarities like different families. There are 7 periods, going horizontally across the periodic table. The first period contains the least elements than any other, with only two, hydrogen and helium. They therefore do not follow the octet rule. Chemically, helium behaves like a noble gas, and thus is taken to be part of the group 18 elements. However, in terms of its nuclear
The Fifth Element was a play on information in the periodic table. Rubidium is the first of the Period 5 elements, and exactly halfway down that row is the element Rhodium. Taking the first half of each element yields "Rubi Rhod". Others have speculated his name is a play on his gender bending personality; having a feminine first name and phallic surname. Three different teams handled the three different types of special effects used in the film. Nick Allder was placed in charge of mechanical and pyrotechnical effects, Nick Dudman was placed in charge of 'creature' effects and Mark Stetson headed the visual