Helium is a chemical element with the symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Its boiling point is the lowest among all the elements. Helium is the second lightest and second most abundant element in the observable universe (hydrogen is the lightest and most abundant). It is present at about 24% of the total elemental mass, which
Hydrogen is the chemical element with the symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table. Hydrogen is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass. Non-remnant stars are mainly composed of hydrogen in the plasma state. The most common isotope of hydrogen, termed protium (name rarely used, symbol 1H), has one proton and no neutrons. The universal emergence of atomic hydrogen first occurred
Moscovium is a synthetic chemical element with the symbol Mc and atomic number 115. It was first synthesized in 2003 by a joint team of Russian and American scientists at the Joint Institute for Nuclear Research (JINR) in Dubna, Russia. In December 2015, it was recognized as one of four new elements by the Joint Working Party of international scientific bodies IUPAC and IUPAP. On 28 November 2016, it was officially named
Livermorium is a synthetic chemical element with the symbol Lv and has an atomic number of 116. It is an extremely radioactive element that has only been created in the laboratory and has not been observed in nature. The element is named after the Lawrence Livermore National Laboratory in the United States, which collaborated with the Joint Institute for Nuclear Research (JINR) in Dubna, Russia to discover livermorium during experiments made
Tennessine is a synthetic chemical element with the symbol Ts and atomic number 117. It is the second-heaviest known element and the penultimate element of the 7th period of the periodic table. The discovery of tennessine was officially announced in Dubna, Russia, by a Russian–American collaboration in April 2010, which makes it the most recently discovered element as of 2021. One of its daughter isotopes was created directly in 2011, partially confirming
Oganesson is a synthetic chemical element with the symbol Og and atomic number 118. It was first synthesized in 2002 at the Joint Institute for Nuclear Research (JINR) in Dubna, near Moscow, Russia, by a joint team of Russian and American scientists. In December 2015, it was recognized as one of four new elements by the Joint Working Party of the international scientific bodies IUPAC and IUPAP. It was formally named on 28
Hardy Krüger born Franz Eberhard August Krüger; 12 April 1928 is a German actor and author, who appeared in more than 60 films since 1944. After becoming a film star in Germany in the 1950s, Krüger increasingly turned to roles in international films like Hatari!, The Flight of the Phoenix, The Wild Geese, Sundays and Cybele, A Bridge Too Far, The Battle of Neretva, The Secret of
Oskar Werner born Oskar Josef Bschließmayer; 13 November 1922 – 23 October 1984 was an Austrian stage and cinema actor whose prominent roles include two 1965 films, The Spy Who Came in from the Cold and Ship of Fools. Other notable films include Decision Before Dawn (1951), Jules and Jim (1962), Fahrenheit 451 (1966), The Shoes of the Fisherman (1968) and Voyage of the Damned (1976). Werner accepted both stage and
Horst Werner Buchholz 4 December 1933 – 3 March 2003 was a German actor and voice actor who appeared in more than 60 feature films from 1951 to 2002. During his youth, he was sometimes called “the German James Dean”. He is perhaps best known in English-speaking countries for his role as Chico in The Magnificent Seven (1960), as a
Karlheinz Böhm 16 March 1928 – 29 May 2014 was an Austrian-German actor and philanthropist. He took part in 45 films and became well known in Austria and Germany for his role as Emperor Franz Joseph I of Austria in the Sissi film trilogy and internationally for his role as Mark, the psychopathic protagonist of Peeping Tom, directed by Michael Powell. He was