Main-group element Main-group element In chemistry and atomic physics, the main group is the group of elements whose lightest members are represented by helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, and fluorine as arranged in the periodic table of the elements. The main group includes the elements (except hydrogen, which is sometimes not included) in groups 1 and 2 (s-block), and groups 13 to 18 (p-block). The s-block elements are primarily characterised by one main oxidation state, and the p-block elements, when they have multiple oxidation states, often have common oxidation states separated by two units. Main-group elements (with some of the
What Is Love What Is Love "What Is Love" is a song recorded by Trinidadian-German Eurodance artist Haddaway for his debut album, "The Album". The song is recognizable by its refrain "What is love? Baby don't hurt me, don't hurt me... no more." It was a massive hit in Europe, becoming a number-one hit in at least 13 countries and reaching number two in Germany, Sweden, and the United Kingdom. Outside Europe, the song was moderately successful, reaching number 11 in the United States, number 12 in Australia, number 17 in Canada, and number 48 in New Zealand. "What Is Love" was written