Who discovered the electron? A. Rutherford B. Thomson C. Bohr D. Fermi 相关知识点: 试题来源: 解析 B。约瑟夫·约翰·汤姆逊(Joseph John Thomson)发现了电子(electron)。卢瑟福(Ernest Rutherford)提出原子的核式结构;玻尔(Niels Bohr)提出原子结构模型;费米(Enrico Fermi)在核物理等方面有贡献。
Who discovered the mass of an electron? Who discovered electrons? Who discovered the first subatomic particle? Who discovered the nucleus of an atom? Who discovered protons? Who discovered the atomic orbital? Who discovered the nucleus and its subatomic particles? Who discovered that atoms have a ...
A hundred years ago in April, the British physicist Joseph John Thomson discovered the electron. It was an epochal moment in the history of science for the electron was the first "subatomic" particle and its appearance on the scientific scene dealt a death blow to the 2000-year-old idea ...
Who discovered the electron? AlthoughJ.J.Thomsonis credited with the discovery of the electron on the basis of his experiments with cathode rays in 1897, various physicists, including William Crookes, Arthur Schuster, Philipp Lenard, and others, who had also conducted cathode ray experiments claimed...
Does a cathode ray tube shoot an electron? What is used to remove oxygen from cathode ray tubes? Who discovered the quantum theory of radiation? Who discovered the first subatomic particle? Who made the first hydrogen bomb? Who is credited with discovering the atomic nucleus?
Who discovered the mass of an electron? What is the Bohr-Rutherford model? Who discovered the electron? Who discovered that atoms have a nucleus? What did Bohr?s model of the atom do that Rutherford?s model did not? Who proposed the wave-particle duality of nature?
A team of researchers using the ISOLDE nuclear-physics facility at CERN has measured for the first time the so-called electron affinity of the chemical element astatine, the rarest naturally occurring element on Earth. How old is the Sun? The sun was born about 4.6 billion years ago. Many ...
electron orbited around the nucleus, much the way that a planet orbits around the sun. This came to be known as the planetary model. The other ground-breaking theory stated that an electron could drop from a higher-energy orbit to a lower one, emitting a photon (light quantum) of ...
(where an element decays, releasing mass and becoming something else). The inertness of helium is due to the stability and low energy of it’s electron cloud state, where all of its electrons fully occupy 1s orbitals in pairs, none possessing angular momentum and each cancels the other’s ...
Who discovered dark matter? How was carbon-14 discovered? Who discovered magnetism? Who discovered laws of motion, light, and gravity? Who discovered black body radiation? Who discovered the mass of an electron? Who discovered positron?