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 Kołodziejczykpainting riddles »very hard 34% in Italyin Italy497in ancient Romein ancient Rome383in Englandin England735in Galileain Galilea498 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 Kołodziejczykreptiles riddles »hard 57% ichthyologyichthyology1831herpetologyherpetology5715malacologymalacology906entomologyentomology1505 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 Kołodziejczykelements riddles »hard 58% oneone872twotwo1356threethree3757fourfour439 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 Kołodziejczykhuman anatomy riddles »very hard 28% mysophobiamysophobia522erythrophobiaerythrophobia280haphephobiahaphephobia523tokophobiatokophobia541 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 Kołodziejczykelectricity riddles »hard 40% 1Ω (ohm)1Ω (ohm)5611S (siemens)1S (siemens)11271H (henry)1H (henry)3751T (tesla)1T (tesla)709 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 Kołodziejczykphysics riddles »hard 56% ProtiumProtium527DeuteriumDeuterium1598TritiumTritium4724NoneNone1535 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 Kołodziejczykgemstones riddles »hard 50% TopazTopaz1186RubyRuby611BerylBeryl2403TalcTalc591 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 Kołodziejczykancient Greece riddles »easy 72% long, lengthy worklong, lengthy work238moralizing workmoralizing work151inscription on a tombstone or monumentinscription on a tombstone or monument1815last section of the work, a summarylast section of the work, a summary297 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 Kołodziejczykchemistry riddles »easy 74% propane propane 443butanebutane279nonanenonane3115dekanedekane345 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 KołodziejczykSweden riddles »hard 40% by mistake in the elements naming approval processby mistake in the elements naming approval process327from the name of the Swedish Ytterby minefrom the name of the Swedish Ytterby mine1305they are in the periodic table together therefore have similar namesthey are in the periodic table together therefore have similar names420from the surname of their discoverer, Ingmar Terberfrom the surname of their discoverer, Ingmar Terber1180 Play names quiz and see all the questions.