Description : Which type of intermolecular forces exists among the following molecules? (a) H2S molecules (b) H2O (c) Cl2 and CCl4 (d) SiH4 (e) Helium (f) He atoms and HCl molecules
Last Answer : Ans. (a) Dipole-Dipole interactions. (b)H-Bond. (c)Dispersion forces. (d)Dispersion forces. (e)Dispersion forces. (f)Induced dipole-dipole interactions.
Description : One day, a scientist was down in his personal lab. It was around 11 o'clock. He was working late on poisons and their antidotes. He was hungry, so he went to get a snack. Suddenly, he found ... and pink colored poisons in his lab. All of them were deadly. Which one did the scientist choose? -Riddles
Last Answer : The white one, since sugar is known as 'White Poison'.
Description : What did the scientist get when he crossed a chicken and a cow? -Riddles
Last Answer : Roost beef.
Description : What is the total number of atoms contained in a 1.00 mole sample of helium?
Last Answer : The total number of atoms contained in a 1,00 mole sample ofhelium is 6,022 140 857.10e23.
Description : What statements is true about the atoms in helium gas?
Last Answer : Helium has two natural isotopes and is an inert noble gas.
Description : What is the mass in grams of one mole of helium atoms?
Last Answer : 6
Description : Neutrons have mass approximately equal to that of __________ atoms. (A) Hydrogen (B) Helium (C) Deuterium (D) None of these
Last Answer : (A) Hydrogen
Description : All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent. (A) Deuterium (B) Hydrogen (C) Neon (D) Helium
Last Answer : (B) Hydrogen
Description : In what year was helium discovered ?
Last Answer : helium n. Loffier and J. Johnson Mill discovered in 1868 .
Last Answer : French astronomer Pierre Johnson discovered helium in the solar spectrum during a solar eclipse in 16 AD. References: Wikipedia.
Description : Which gas was discovered on the sun about 151 years ago during total solar eclipse? A. Hydrogen B. Helium (Answer) C. Nitrogen D. Flourine
Last Answer : B. Helium (Answer)
Description : The letters of the alphabet but only just a few;It's hard to say if I was invented or just discovered by you.What am I? -Riddles
Last Answer : Music
Description : Why have scientist models for the structure of Atoms?
Last Answer : To make them easier to understand. To make it possible tovisualize the atoms and understand what they're actually doing. Ithelps to understand how they interact with each other and how theyinteract with other things.
Description : The scientist who proved that the ele- ments are made up of atoms?
Last Answer : John Dalton
Description : A man is discovered dead sitting at his desk, alone in the locked office. He did not commit suicide and there was no weapons in the room. The only clue is a sealed envelope on the desk in front of him.How did he die? -Riddles
Last Answer : The envelope glue was poisoned and when the man licked the envelope to seal it, he died.
Description : One day a alchemist brought a king a bottle holding a strange liquid. The alchemist said, 'This liquid I discovered will dissolve anything it touches.' How did the king know that he was lying? -Riddles
Last Answer : The king knew if what he said was true the bottle would get dissolved!
Description : A man was shot to death while in his car. There were no powder marks on his clothing, which indicated that the gunman was outside the car. However, all the windows were up and the doors locked. ... was made, the only bullet-holes discovered were on the man's body. How was he murdered? -Riddles
Last Answer : The victim was in a convertible. He was shot when the top was down.
Description : Why did the Scientist put a Knocker on his door? -Riddles
Last Answer : 'Cause he wanted the 'No-Bel'l Prize.
Description : Why did the scientist put a knocker on his door? -Riddles
Last Answer : Because he wanted the No-bell Prize.
Description : 1. Name the scientist who had discovered that some molecules have mirror images? -Discoveries and Inventions
Last Answer : Explanation: Louis Pasteur discovered that some molecules have mirror images and explained them as left-handed and right-handed versions of a chemical compound.
Description : Name of the first Scientist who discovered cell ? -Biology
Last Answer : The name of the 1st Scientist is the Robert Hooke.
Description : Name the scientist who had discovered that some molecules have mirror images? -Discoveries and Inventions
Last Answer : Louis Pasteur... :)
Description : Which Scientist Discovered Blood Group ?
Last Answer : : Scientist Carland Steiner discovers blood groups
Description : Which Scientist Discovered Cells ?
Last Answer : Cells were discovered by Robert Hooke.
Last Answer : Scientist Galileo discovers formulas for falling objects.
Last Answer : The genome of jute is the genetic trait of jute or blueprint of jute life. The genome of jute was discovered by Maksudul Alam, a talented scientist from Bangladesh on 16 June 2010.
Description : The name of the scientist who discovered neutron is - (1) Fermi (2) Rutherford (3) Chadwick (4) Bohr
Last Answer : (3) Chadwick Explanation: Sir James Chadwick, CH, FRS (20 October 1891 – 24 July 1974) was a British physicist who was awarded the 1935 Nobel Prize in Physics for his discovery of the neutron in 1932.
Description : The scientist who first discovered that the Earth revolves round the Sun was - (1) Newton (2) Dalton (3) Copernicus (4) Einsteirn
Last Answer : (3) Copernicus Explanation: Nicolaus Copernicus was a Polish astronomer who put forth the theory that the Sun is at rest near the center of the Universe, and that the Earth, spinning on its axis once daily, revolves annually around the Sun.
Description : This scientist gave the law- ‘Properties of elements are a periodic function of their atomic number.’ This property of the fundamental importance of atomic number was discovered by- (1) Johann Wolfgang Döbereiner (2) John Newlands (3) Dmitri lvanovich Mendeléev (4) Henry Moseley
Last Answer : (4) Henry Moseley Explanation: In 1913, Henry Moseley showed that the atomic number of an element is a more fundamental property than its atomic mass as described below.
Description : The scientist who discovered and isolated the chlorine gas?
Last Answer : carl scheele
Description : The scientist discovered Cobalt?
Last Answer : George Brandt
Description : The scientist who discovered blood circu- lation?
Last Answer : William Harvy
Description : Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body? A. Brass B. Pectora C. Interstitium (Answer)
Last Answer : C. Interstitium (Answer)
Description : Select the correct statement. (a) Franklin Stahl coined the term ‘‘linkage’’. (b) Punnett square was developed by a British scientist. (c) Spliceosomes take part in translation. (d) Transduction was discovered by S. Altman
Last Answer : (a) Franklin Stahl coined the term ‘‘linkage’’.
Description : Select the correct statement : (1) Franklin Stahl coined the term "linkage". (2) Punnett square was developed by a British scientist. (3) Spliceosomes take part in translation. (4) Transduction was discovered by S. Altman.
Last Answer : (2) Punnett square was developed by a British scientist.
Description : This female American geneticist achieved recognition as one of the world's foremost investigators in cytogenetics, the study of heredity by cellular and genetic methods. In 1951 she discovered that gene ... was awarded the Nobel Prize in medicine in 1983. Who is this notable woman scientist?
Last Answer : ANSWER: (BARBARW) McCLINTOCK
Description : Which scientist discovered the radioactive element Radium ? (1) Marie Curie (2) Isaac Newton (3) Albert Einstein (4) Benjamin Franklin
Last Answer : Marie Curie
Description : A beggar found a leather purse that someone had dropped in the marketplace. Opening it, he discovered that it contained 100 pieces of gold. Then he heard a merchant shout, 'A reward! A reward to the one ... of a leather bag lost and a leather bag found. He counted the coins; 100 gold coin -Riddles
Last Answer : The judge said 'Merchant, you said that the purse you lost contained 200 peices of gold. The purse this beggar found only contained 100 peices of gold. Therefore it cannot be the same purse'. With that the judge gave the purse to the beggar.
Description : The Queen lives in a beautiful castle with her only son and a sheep-dog named Sir FooFoo. One day the Queen decides to go out for a spot of tea with some friends. She leaves her eight-year- ... State. When the Queen came home she discovered her son was missing and that he was kidnapped. The -Riddles
Last Answer : Surlamina is responsible for the kidnapping because there is no Secretary of State in a monarchy. It is believed that Surlamina kidnapped the Queen's son because she was not given a real job.
Description : Who discovered that atoms are fissionable ?
Last Answer : : Atomic fiction is discovered by Ottohan and Stressman
Description : Who discovered that atoms is divisible?
Last Answer : Need answer
Description : Statement-1 : Energy is released in the nuclear fusion of hydrogen nuclei to form helium nuclei Because Statement-2 : Binding energy per nucleon of he
Last Answer : Statement-1 : Energy is released in the nuclear fusion of hydrogen nuclei to form helium nuclei Because ... Statement-2 is false, statement-2 is true
Description : Helium (He), neon (Ne) and argon (Ar) are all colorless, odorless gases with low chemical reactivity. Based on the periodic table, which other element would also have those same properties?
Last Answer : Helium
Description : What did Obi-Wan say to Luke when he was having trouble eating at a chinese restaurant? -Riddles
Last Answer : Use the fork, Luke.
Description : What did Geronimo say when he jumped off the plane? -Riddles
Last Answer : ME!!!!!!
Description : A kid forgot to do his homework. For the home work, he had to draw a goat on grass. When he was in class the teacher found out that he didn't finish it. The boy was smart. He said that ... agreed and said that he finished it in an unexpected way. What did the boy say to the teacher? -Riddles
Last Answer : He said: I finished it. You see, there is a goat. Goats eat grass so the goat in my picture ate the grass. Now the grass is gone. But since there is no more grass left, the goat went somewhere else to find more grass to eat. That’s why the homework is blank.
Description : A Panda Bear walked into a restaurant. He sat down at a table and ordered some food. When he was finished eating, he took out a gun and shot his waiter. He then left the restaurant. After the ... killed the waiter. He replied, Look me up in the dictionary. What did the dictionary say? -Riddles
Last Answer : When they looked up the word 'Panda' in the dictionary, it stated, 'Panda: Eats shoots and leaves.
Description : What does the cow say when he agrees with the duck? -Riddles
Last Answer : The feeling is mootual.
Description : A detective in training is called to a room on his first day in, once there his instructor greets him and tells him he has a deck of fish cards. Alongside the instructor are two men who hold three ... a catfish. The second man stated he held two goldfish and a lion. Who is the murderer? -Riddles
Last Answer : A common first answer is the second man, whereas a shrimp is not considered a fish in this case either... You can look over this again if you'd like now. The The instructor There was only ... to the prompt. Meaning the only way the statement could be true is if the instructor was the murderer.