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No, J.J. Thomson did not conduct experiments to prove that atoms cannot be divided. In fact, his work in the late 19th century, particularly with cathode rays, led to the discovery of the electron, demonstrating that atoms are indeed divisible into smaller subatomic particles. This finding was pivotal in advancing the understanding of atomic structure, contradicting the notion of indivisible atoms.
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What part of Dalton's model was disproved?
Dalton's model of the atom proposed that atoms are indivisible and indestructible particles. However, this was disproved with the discovery of subatomic particles, such as electrons, protons, and neutrons, which showed that atoms can be divided into smaller constituents. Additionally, the existence of isotopes demonstrated that atoms of the same element can have different masses due to varying numbers of neutrons, contradicting Dalton's assertion that all atoms of a given element are identical.
Which of Dalton's POINT PROVEN FALSE?
One of Dalton's key points that has been proven false is the idea that atoms of a given element are identical in mass and properties. In reality, atoms of the same element can have different masses due to the existence of isotopes, which contain varying numbers of neutrons. Additionally, the notion that atoms cannot be subdivided has been disproven, as atoms can be broken down into subatomic particles (protons, neutrons, and electrons).
What is H204?
H2O4 is the chemical formula for 2 hydrogen atoms chemically bonded to 4 oxygen atoms to create one molecule of H2O4. It is not a common molecule but (unlike many people will say) it does really exists. after many experiments scienctist have discovered the H2O4 is a "hydrogen superoxidizer". what it does is under extreme temperatures this composition decomposes rapidly. what this accomplishes i am un aware. ANSWER: actually it is for drinking. because that is what h2o is for.
What idea compromised the acceptance of Dalton work?
John Dalton's atomic theory was initially compromised by the idea of indivisible atoms, as later discoveries revealed that atoms are not the smallest units of matter and can be further divided into subatomic particles (protons, neutrons, and electrons). Additionally, Dalton's assumption that all atoms of a given element are identical in mass and properties was challenged by the discovery of isotopes, which have varying masses. These advancements in chemistry and physics ultimately led to a more nuanced understanding of atomic structure.
What actors and actresses appeared in Atoms - 2013?
The cast of Atoms - 2013 includes: Jonathan Moeller Emily Railsback
Did JJ Thomson experiments that showed that atoms cannot be divided into smaller particles?
Yes, J.J. Thomson's experiments using cathode rays led to the discovery of the electron and the plum pudding model of the atom. This model suggested that atoms are not indivisible, but composed of smaller particles.
What part of Dalton's atomic theory was later proved to be incorrect?
all atoms of one kind are identical and cannot be divided.
What ideas about atoms changed when new evidence was discovered?
atoms cannot be divided
Can atoms be divided further?
The name atom comes from the Greek ἄτομος/átomos, α-τεμνω, which means uncuttable, something that cannot be divided further. Therefore, it cannot be divided.
What ideas about the atom when new evidence was discovered?
atoms cannot be divided
What changed about the atom when new evidence was discovered?
atoms cannot be divided
When was the atom changed when new evidence was discovered?
atoms cannot be divided
What idea about the atom change when new evidence was discovered?
atoms cannot be divided
Are all elements are composed of atoms that cannot be divided?
No. All atoms, except the most abundant isotope of hydrogen, can be divided into the subatomic particles protons, neutrons, and electrons. The most abundant hydrogen isotope does not have neutrons.
What is the differences and similarities of a compound and a mixture?
Both are formed from atoms. A compound cannot be divided in atoms by physical procedures.The mixture being formed from compounds can be divided in compounds by physical procedures.
The Greek philosopher Democritus coined what word for a tiny piece of matter that cannot be divided?
Atoms
Which tenet of Daltons atomic theory did Thomson disprove?
Atoms cannot be divided into smaller particles.
