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he made a mistake in assuming that the simplest compound of two elements must be binary, formed from atoms of each element in a 1:1 ratio, and his system of atomic weights was not very accurate - he gave oxygen an atomic number of seven instead of eight.

Despite these errors, Dalton's theory provided a logical explanation of concepts, and led the way into new fields of experimentation.

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Q: What parts of Dalton's atomic theory was changed?
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Related questions

What parts of daltons atomic theory is illustrated by 2 parts of hydrogen and oxygen forming water?

Atoms can combine to form compounds, in simple whole number ratios


Which parts of Daltons theory were later found to be erroneous?

dalton was wrong about atoms being indivisible. atoms are divisible into several subatomic particles. dalton was wrong about all atoms of a given element having identical properties.


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.


Where are each sub-atomic parts found?

Protons and neutrons are in the atomic nucleus; electrons are around nucleus.


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Theodor Schwann wrote the first two parts of the cell theory


Who's atomic theory stated that atoms have 3 fundamental parts and the electrons orbit the nucleus?

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What is the first atomic theory?

john Dalton who lived between 1766-1844 was the first to use it "atomic theory of matter"around 1803 John Dalton put it together. Dalton was a teacher and a scientist(british you know) a few years later Dalton wrote a book called "a new system of chemical philosophy" i am unfamiliar with the actual contents of the book, but i do know that he is the first/origin to identify elements using symbols. also the name sake Dalton is a standard for atomic weights and units.. example the atomic weight is 2200 daltons. speaking of elements. if you ever come across element 115 its worth 600 + per pound. i do hope i helped you " a little "genaactually, Democratis was the first to use it, Dalton did discover another big thing in atomic history[look above] but Democratis, an ancient greek was the first to discover and use it. A famous quote by him is "convention bitter, convention sweet, in reality, atoms and void."Basically matter is made up of atoms, which are composed of varying numbers of positively charged protons and neutrally charged neutrons in a nucleus, orbited by negatively charged electrons. Atoms are the basic substance of elements, thus the table of elements which arrange them. Atoms join to form molecules and molecules join to form compounds.Atomic theory refers to the theory that states that all the matter is made of very small indivisible atoms.


What was Matthias Schleiden theory?

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Where can find Atomic ski boots parts?

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What one of Dalton a four statements about atoms has been changed?

He said that atoms cannot be destroyed nor created, and atoms are indivisible but now the scientists can break atoms into parts so now they are no more indivisible. So the last law of Dalton's Atomic Theory have been modified.


Use theory in a sentence in two different parts of speech?

there are many theory's to do in science