Description : Who discovered Oxygen? (1) Carl Scheele (2) Hooke (3) Heisenberg (4) Williams
Last Answer : (1) Carl Scheele Explanation: Oxygen was discovered for the first time by a Swedish Chemist, Carl Wilhelm Scheele in 1772.He called the gas "fire air".
Description : Element 106 was discovered by – (1) Rutherford (2) Seaborg (3) Lawrence (4) Kurchatove
Last Answer : (2) Seaborg Explanation: Element 106 was discovered by Seaborg.
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 : Who discovered electrons? (1) Rutherford (2) Niels Bohr (3) JJ Thomson (4) Newton
Last Answer : (3) JJ Thomson Explanation: JJ Thomson, while performing cathode ray experiment found that the cathode ray is made up of very small negatively charged particles to which he termed as electrons.
Description : Neutron was discovered by - (1) Chadwick (2) Rutherford (3) Fermi (4) Bohr
Last Answer : (1) Chadwick Explanation: Neutron was discovered by James Chadwick in the year 1932. The neutron is a subatomic particle, symbol n or n⁰, with no net electric charge and a mass slightly larger than that of a proton. Protons and neutrons constitute the nuclei of atoms.
Description : Element 106 was discovered by (1) Rutherford (2) Seaborg (3) Lawrence (4) Kurchatove
Last Answer : Seaborg
Description : My theory of electrolytic dissociation earned me t 1903 Nobel Prize in chemistry. My name is: w) Niels Bohr x) Svante Arrhenius y) Michael Faraday z) John Cavendish
Last Answer : ANSWER: X -- SVANTE ARRHENIUS
Description : The inventor of the Kelvin temperature scale was: w) K. Cavendish II x) Lord William H. Harrison y) Sir William Thomson z) none of the above
Last Answer : ANSWER: Y -- SIR WILLIAM THOMSON
Description : Natural radioactivity was discovered by a)Schmidt b)Curie c)Becquerel d)Rutherford
Last Answer : Natural radioactivity was discovered by a)Schmidt b)Curie c)Becquerel d)Rutherford A. Rutherford B. Becquerel C. Curie D. Schmidt
Description : X-rays were discovered by -----? A. Wilhelm Conrad Roentgen (Answer) B. Thomson C. Ernest Rutherford D. Bacquerel
Last Answer : A. Wilhelm Conrad Roentgen (Answer)
Description : Radio activity was discovered by : (1) Becqueral (2) Soddy (3) Rutherford (4) Curie
Last Answer : Becqueral
Description : Radioactivity was discovered by (1) Rutherford (2) Henri Becquerel (3) Roentgen (4) Einstein
Last Answer : Henri Becquerel
Description : Electron was discovered by (1) Ernest Rutherford (2) Max Planck (3) Joseph Thomson (4) Albert Einstein
Last Answer : Joseph Thomson
Description : (Visual) In a March 1999 correspondence in the magazine Nature, Thomas Fink and Yong Mao of Cavendish Laboratory, Cambridge, investigated 85 of these and looked closely at four that are in widespread ... on a triangular lattice. What are these that many of struggle with initially to get right?
Last Answer : Necktie knots.
Description : Which of the following names is not appropriate for the list? (A) James Maxwell (B) Henry Cavendish (C) Charles Darwin (D) Thomas Moore
Last Answer : D (D is a poet; the rest are scientists.)
Description : The gravitational constant for the universe was measured by which of the following? w) Kepler x) Einstein y) Newton z) Cavendish
Last Answer : ANSWER: Z -- CAVENDISH
Description : The value of G, the universal gravitational constant, was measured experimentally by: w) Newton x) Cavendish y) Copernicus z) Kepler
Last Answer : ANSWER: X -- CAVENDISH
Description : Who developed the model of atomic structure? (1) Bohr and Rutherford (2) Volta (3) Alfred Nobel (4) Faraday
Last Answer : (1) Bohr and Rutherford Explanation: In 1911 Ernest Rutherford used experimental evidence to show that an atom must contain a central nucleus. Niels Bohr further developed Rutherford's nuclear atom ... support the idea that electrons occupy particular orbits or shells around the nucleus of an atom.
Description : Who proposed first atomic theory? (1) E.Rutherford (2) De Broglie (3) John Dalton (4) D.I.Mendeleef
Last Answer : (3) John Dalton Explanation: Democritus first suggested the existence of the atom but it took almost two millennia before the atom was placed on a solid foothold as a fundamental chemical object by John Dalton (1766-1844).
Description : Who proposed first atomic theory? (1) E. Rutherford (2) De Broglie (3) John Dalton (4) D. I. Mendeleev
Description : Give the points of Rutherford Model.
Last Answer : Ans. 1. Atom is neutral. 2.Whole mass is concentrated in nucleus. 3.Electrons are revolving in orbits.
Description : Write the draw back of Rutherford Atomic Model.
Last Answer : Ans (1). He was unable to explain the stability of Atom. (2). He could not explain the line spectrum.
Description : ........................ studied the kinetics of enzyme catalysis. a. Arrhenius b. Rutherford c. Micheal Faraday d. Michaelis & Menten
Last Answer : d. Michaelis & Menten
Description : Whose name is given to alkylmagnesium halides: w) Victor Grignard x) Daniel Rutherford y) Dmitri Mendeleev
Last Answer : ANSWER: W -- VICTOR GRIGNARD
Description : The modern atomic theory was conceived by : w) Victor Grignard x) Daniel Rutherford y) Svante Arrhenius z) John Dalton
Last Answer : ANSWER: Z -- JOHN DALTON
Description : Which of the following refers to the scattering of light by colloidal particles? w) Rutherford effect x) Tyndall effect (pron: tin-dahl) y) Thompson effect z) none of these
Last Answer : ANSWER: X -- TYNDALL EFFECT
Description : Who developed the model of atomic structure ? (1) Bohr and Rutherford (2) Volta (3) Alfred Nobel (4) Faraday
Last Answer : Bohr and Rutherford
Description : Settle this debate: How do you pronounce "Rutherford"?
Last Answer : Ruh-thur-furd. I can’t even figure out another way to say it. Rooothurfurd? And last/first makes no difference.
Description : Enlist the conclusions drawn by Rutherford from his α-ray scattering experiment. -Science
Last Answer : Rutherford drawn following conclusion from his α-ray scattering experiment. α-particles passed through the gold foil without any deflection concluding the empty space inside the atom. Deflection is observed in ... and mass of the gold atom were concentrated in a very small volume within the atom.
Description : When did Rutherford show that the very small nucleus in the center of the atom has positive charges ?
Last Answer : In 1911 Rutherford showed that the very small nucleus in the center of the atom has positive charges.
Description : Rutherford is a citizen of which country ?
Last Answer : Rutherford is a citizen of New Zealand.
Description : How does the Rutherford gold foil experiment correctly advance atomic theory away from the plum pudding model.?
Last Answer : Need answer
Description : What was Rutherford b Hayes career before becoming a president?
Last Answer : Feel Free to Answer
Description : What important events happened when Rutherford b Hayes was president?
Description : In 1909 Ernest Rutherford conducted an experiment in which he fired alpha particles at a sheet of gold foil. What unexpected result did he get?
Last Answer : What is the answer ?
Description : How was Thomson's atomic theory different from Rutherford atomic theory?
Last Answer : According to Thomson's atomic theory, the mass of an atom wasspecial evenly throughout its volume. Errest Rutherford'sexperiment proved this wrong.
Description : What did Rutherford B. Hayes do been before he was elected to office?
Last Answer : He was a lawyer before he held any public office, and he also fought in the Army in the Civil War. Before he was president, he was the governor of Ohio.
Description : Suppose Rutherford had not seen any alpha particles deflected back from the gold foil. How would this most likely have affected scientific understanding of the structure of an atom?
Last Answer : It would have taken scientists longer to discover protons. A+
Description : How did Rutherford B. Hayes become President?
Last Answer : He agreed to withdraw federal troops from the South.
Description : “Plum Pudding Model” for an atom was proposed by (a) Antoine Lavoisier (b) Robert Boyle (c) Ernest Rutherford (d) J. J. Thomson
Last Answer : Ans:(d)
Description : Who among the following evolved the concept of relationship between mass and energy? (1) Einstein (2) Planck (3) Dalton (4) Rutherford
Last Answer : (1) Einstein Explanation: Einstein correctly described the equivalence of mass and energy as “the most important upshot of the special theory of relativity” (Einstein 1919), for this result lies at the core of modern physics.
Description : First experimental observation of nuclear fission was done by (A) Plane (B) Rutherford (C) Fermi (D) Hahn and Strassmann
Last Answer : (C) Fermi
Description : First Atomic theory was proposed by? A. John Dalton (Answer) B. E.Rutherford C. De Broglie D. D.I.Mendeleef
Last Answer : A. John Dalton (Answer)
Description : Which of these famous people was not born in New Zealand? (A) Katherine Mansfield (B) Nicole Kidman (C) Ernest Rutherford (D) Sam Neill
Last Answer : (B) Nicole Kidman
Description : Who invented the barometer? w) Torricelli x) Avogadro y) Rutherford z) Becquerel
Last Answer : ANSWER: W -- TORRICELLI
Description : The idea that electrons revolved in orbits around the nucleus of an atom without radiating energy away from the atom was postulated by: w) Thompson x) Bohr y) Rutherford z) Einstein
Last Answer : ANSWER: X -- BOHR
Last Answer : Discover Hydrogen (Henry Cavendish)
Last Answer : Discovered Hydrogen (Henry Cavendis in 18)
Last Answer : Cavendish discovered hydrogen.