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Dalton's Atomic Theory 1) All matter is made of atoms. Atoms are indivisible and indestructible. 2) All atoms of a given element are identical in mass and properties 3) Compounds are formed by a combination of two or more different kinds of atoms. 4) A chemical reaction is a rearrangement of atoms.
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When did bohr's develop his atomic theory?
Niels Bohr developed his atomic theory in 1913. This theory introduced the idea that electrons orbit the nucleus in specific energy levels, which was a major advancement in understanding the structure of atoms.
What is the atomic number for wood?
Wood is not an element, so it does not have an atomic number, however, the major constituent of wood is carbon which has an atomic number of 6.
Name the theory that explains the major differences between these states of matter?
The Kinetic Molecular Theory explains the major differences between the states of matter. It states that the differences in physical properties among solids, liquids, and gases are due to the arrangement and movement of particles in each state.
What is the major contribution of aristarchus in the earth science?
Aristarchus proposed the heliocentric model of the universe, suggesting that the Earth and other planets revolve around the Sun. This was a major contribution to Earth science as it challenged the prevailing geocentric model and laid the groundwork for our modern understanding of the solar system.
What is a major drawback of using fossil fules?
A major drawback of using fossil fuels is their contribution to air pollution and climate change. Burning fossil fuels releases harmful pollutants and greenhouse gases into the atmosphere, leading to smog, respiratory issues, and global warming.
What was Dalton's major contribution to science?
Atomic Theory
What 3 major things did john Dalton do in his life?
atomic theory
What are john Dalton Discoveries?
John Dalton is best known for his pioneering work in the development of modern atomic theory. His discoveries included the concept that all matter is made up of indivisible particles called atoms, that each element is made of unique atoms, and that chemical reactions involve rearrangement of these atoms. Dalton's work laid the foundation for future advancements in the field of chemistry.
What was john Dalton's major constraint when he suggested his Atomic Theory?
John Dalton's major constraint when he suggested his Atomic Theory was the lack of experimental evidence at that time to directly support his ideas. He relied mainly on his observations and reasoning, as the technology to directly visualize atoms was not available during his time.
What is John Dalton remember for?
Amongst other things, John Dalton thought of matter as being made up of particles. His particle theory is sometimes referred to as the 'billiard ball model' since he thought of atoms as being indivisible, unlike what we know nowadays. He also worked on the chemical formulae of different substances.
What major contributions did Aristotle make to the atomic theory?
Aristotle did not believe in the Atomic Theory. He believed that everything was made up of only 4 elements fire, water, air, and earth. This theory was proven incorrect as is evidenced by the periodic table of elements. In short the answer to this question is, none.
Why is John Dalton's atomic theory still mentioned in science?
Scientists use Dalton's atomic theory even though parts of it have been proven wrong as the basis of other discoveries. His theory about atomic elements being the same was wrong but has been used for a long time even to the discovery of isotopes.
What were the major points of John Dalton's atomic model?
E=mc2
What was Niels Bohr major contribution to the atomic theory?
Two related questions (completed with answers) should be followed.Cf 'Related questions' in the link below this answer.
Where was John Dalton's accomplishment made at?
John Dalton's major accomplishments were primarily made in England, particularly in Manchester, where he conducted his groundbreaking work in chemistry and meteorology. He is best known for developing the atomic theory and for his research on color blindness, which is sometimes referred to as Daltonism. Dalton's theories laid the foundation for modern chemistry and significantly advanced the understanding of atomic structure.
What was max planck major contribution to the atomic theory?
I don't know of atomic theory, but he came up with the idea that light energy acted like packetts of energy that he called photons. Thru some theoretical calculations he came up with Plank's constant that deals with the energy of different wavelengths of light.
What scientists did not make major contribution to cell theory?
Mendel
