Names questions This is a list of recently added questions about names. Play names quiz and see all the questions. Where were the Pre-Raphaelites active?In England. The Pre-Raphaelite Brotherhood was an artistic association of painters established in London in 1848. The group's intention was to reform art by rejecting what it considered the mechanistic approach first adopted by Mannerist artists who succeeded Raphael and Michelangelo. Its members believed the Classical poses and elegant compositions of Raphael in particular had been a corrupting influence on the academic teaching of art, hence the name "Pre-Raphaelite".Created by: Paweł Kołodziejczykvery hard 38% in Italyin Italy924in ancient Romein ancient Rome854in Englandin England1715in Galileain Galilea953painting riddles » How is the branch of zoology concerned with aphibians and reptiles called?Herpetology. "Herp" is a vernacular term for reptiles and amphibians. It is derived from Greek 'herpien' meaning 'to creep'.Created by: Paweł Kołodziejczykhard 55% ichthyologyichthyology3945herpetologyherpetology11325malacologymalacology1960entomologyentomology3332reptiles riddles » How many hydrogen isotopes occur naturally on the Earth?Three isotopes of hydrogen occur naturally on the Earth: the most frequent protium (1H), deuterium (2H) and tritium (3H). Other isotopes of hydrogen (4H-7H) were created in laboratories and are highly unstable.Created by: Paweł Kołodziejczykhard 57% oneone1899twotwo2895threethree7735fourfour821elements riddles » How is the fear of pregnancy and childbirth called?Tokophobia often leads patients to ask for a Caesarean section. Frequency of appearing: 6-10% pregnancies.Created by: Paweł Kołodziejczykvery hard 27% mysophobiamysophobia805erythrophobiaerythrophobia430haphephobiahaphephobia857tokophobiatokophobia808human anatomy riddles » What is the unit of the conductance?1S (siemens). Conductance (conductivity) is the reverse of the resistance. So it is a measure of the susceptibility of the element to the flow of the electric current. Siemens is the unit of electric conductance named after German inventor and industrialist Werner von Siemens, founder of the well known Siemens company.Created by: Paweł Kołodziejczykhard 41% 1Ω (ohm)1Ω (ohm)10681S (siemens)1S (siemens)21551H (henry)1H (henry)6661T (tesla)1T (tesla)1329electricity riddles » Which of the hydrogen isotopes is radioactive?Tritium. The two lightest isotopes of hydrogen are stable (protium and the heavy hydrogen (deuterium)). The tritium is radioactive and unstable, with half-life of 12.32 years. It is the only radiocative isotope of hydrogen which naturally occurs on Earth (although it is extremely rare). Created by: Paweł Kołodziejczykhard 55% ProtiumProtium1168DeuteriumDeuterium3420TritiumTritium10194NoneNone3741physics riddles » What mineral is a heliodor gemstone a variety of?Beryl. Heliodor is a yellow transparent variety of beryllium (emerald and aquamarine are also varieties of beryllium). The name derives from the Greek word helios = sun (sun-god) and doron = gift ("gift of the Sun").Created by: Paweł Kołodziejczykhard 48% TopazTopaz2359RubyRuby1057BerylBeryl4114TalcTalc1003gemstones riddles » What is an epitaph?Inscription on a tombstone or monument. An epitaph (from Greek ἐπιτάφιος epitaphios "a funeral oration" from ἐπί epi "at, over" and τάφος taphos "tomb" is a short text honoring a deceased person. Strictly speaking, it refers to text that is inscribed on a tombstone or plaque, but it may also be used in a figurative sense. Some epitaphs are specified by the person themselves before their death, while others are chosen by those responsible for the burial. Created by: Paweł Kołodziejczykeasy 70% long, lengthy worklong, lengthy work396moralizing workmoralizing work272inscription on a tombstone or monumentinscription on a tombstone or monument2798last section of the work, a summarylast section of the work, a summary531ancient Greece riddles » What substance will be next? Pentane, hexane, heptane, octane...Nonane. "Pentane, hexane, heptane" is a fragment of the homologous series of alkanes. The name "Nonane" consists of "non" (deriving from Greek numeral for nine) and the suffix "ane" for alkanes. Created by: Paweł Kołodziejczykeasy 74% propane propane 782butanebutane452nonanenonane5111dekanedekane541chemistry riddles » Why do elements erbium, yttrium, ytterbium, terbium, have similar names?From the name of the Swedish Ytterby mine. Ytterby mine, located in the south-east part of the Swedish island and the town Resarö, was a rich source of many rare minerals. 4 chemical elements - yttrium, ytterbium, terbium and erbium - were named after the mine commemorating their origin.Created by: Paweł Kołodziejczykvery hard 38% by mistake in the elements naming approval processby mistake in the elements naming approval process577from the name of the Swedish Ytterby minefrom the name of the Swedish Ytterby mine1904they are in the periodic table together therefore have similar namesthey are in the periodic table together therefore have similar names649from the surname of their discoverer, Ingmar Terberfrom the surname of their discoverer, Ingmar Terber1844Sweden riddles » Play names quiz and see all the questions.