He is sometimes called the discoverer of protons. He did experiments with cathode ray tubes, which knock electrons off atoms and attract them to a positively-charged electrode (the cathode). He noticed that a second stream of particles was attracted to the negatively-charged electrode (the anode), so he called them anode rays. However, it was left to one of his students to discover that these rays were sometimes pure protons. His experiments gave him a picture of atomic structure that was decades ahead of its time, and similar to what we know today. However, he did not follow up on his work, and was largely ignored by his peers.
He noted that cathode-ray tubes with a perforated cathode emit a glow from the end of the tube near the cathode. He concluded that in addition to the electrons, there is another ray that travels in the opposite direction, from the anode toward the cathode.
he discovered the proton using a cathode ray.
Eugene Goldstein discovered positive particles
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Eugen Goldstein worked in the 19th century and is apparently credited with discovering the proton.
Eugene Goldstein discovered positive particles
Since he disvovered the cathode rays, the negative rays that were used in the Gold Foil experiment done by Thomson, he founded electrons.
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the scientist behind the concept of the atom are joseph john thomson,goldstein, and james chadwick!
why are you searching it up? you should have known
In terms of atomic theory the protons and electroncs contribute the charge to an atom. In terms of quantum theory electrons are a type of lepton and protons are composed of quarks. So quarks and leptons contribute nuclear charge.
Protons have a positive charge and weigh 1 AMU Neutrons have a neutral charge and weigh 1 AMU Electrons have a negative charge and 1184 electrons weigh 1AMU so they are thought to add nothing to the mass of an atom. You may want to check out Bohr's model or the duet/octet rule.
When Rutherford put the gold foil in front of the alpha-particle emitting source, he noticed a few things: 1. Some of the alpha particles passed through the gold foil 2. Some the particles were deflected 3. Some of the particles bounced back Rutherford concluded that an atom is made up of mostly empty space and the actual size of the atom is far smaller than the space it occupies.
Neil Bohr democritus john Dalton j.j tomson Reuther ford goldstein Chadwick
what did marsden contribute to the evolution of the atom
the scientist behind the concept of the atom are joseph john thomson,goldstein, and james chadwick!
we were feared of due to the technology of the atom bomb.
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William Roentgen discovered x rays and Roentgen rays. Charles Darwin's contribution was the theory of evolution. John Dalton's contribution was the atomic theory.
This is the neutron.
The subatomic particles that contribute most almost no weight to an atom are electrons at various energy levels. Isotopes of the same element differ from each other only by the number of neutrons.
he found the measurement or electron charge
He lead the team that developed the Atom Bomb.
What is the thoury of atom by Paul Dirac? What is the thoury of atom by Paul Dirac?
Niels Bohr proposed the planetary model of atom.