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John Dalton it was referred to the atoms of the same element.
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What major contribution did john Dalton made to the atomic theory?
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.
Which best describes john Dalton's observations of elements in any given compound?
Dalton discovered that the atoms that combine to form compounds are distinguished from one another by their atomic weights. He also learned that all atoms of a given element are identical.
In a sample of pure copper all atoms have the same what?
All atoms have atomic numbers which are the same and the atoms have the same number of electrons.
Are iron atoms small or big?
Like all atoms they are tiny. Compared with other atoms, iron atoms are of medium size.
Are all plates the same size?
No, all plates are not the same size
Who found that all atoms of the same element are the same and all atoms of different elements are different?
It was proposed by John Dalton in his atomic theory.
John Dalton's atomic theory stated that atoms of the same?
According to John Dalton, all the atoms of a single element will have the same mass. This is the basis for the modern atomic theory.
Who said that all atoms of an element are identical in size mass and other properties?
John Dalton
John Dalton concluded that all the atoms of a single what have the same mass?
He concluded that all atoms of an element have same mass and identical chemical and physical properties.
Who proposed that all atoms cannot be divided or destroyed and that atoms of the same element are exactly the same?
Dalton. Dalton's atomic theory stated that atoms are indivisible and indestructible and unchangeable.
What did Dalton visualize Adams to be like?
Dalton visualizes "atoms" as being indestructible and that all matter were made of atoms
What were John Dalton's hypotheses about atoms?
1. Atoms are impenetrable and aren't destructible. All material is made up of very, very small atoms. 2. All atoms of an element have the same mass and the same properties. 3. Mixtures are made by a fusion of 2+ unlike classifications of atoms. 4. A chemical reaction is a displacement of atoms.
Did the existence of isotopes affect the validity of the atomic theory?
Dalton's theory said that "atoms of the same element are the same as each other in terms of mass, color, and size." We know that this cannot be true because isotopes of the same element, oxygen for example O-16 and O-17, have different mass numbers (atomic mass). Dalton's theory said that "atoms of the same element are the same as each other in terms of mass, color, and size." We know that this cannot be true because isotopes of the same element, oxygen for example O-16 and O-17, have different mass numbers (atomic mass).
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.
Which is not part of John Dalton’s atomic theory a. Atoms of different elements have different masses.b. All elements are composed of atoms.c. All atoms of the same element have the same mass.d.Atoms are made up of smaller particles?
alls
How does the discovery of isotopes contradict Dalton's theory?
It was then changed to "All atoms of the same element contain the same number of protons and electrons, but atoms of a given element may have different numbers of neutrons." after James Chadwick discovered that the nuclei of most atoms contain neutrons as well as protons.
Did John Dalton conclude all atoms of a single element have the same mass?
Not necessarily, because most elements have isotopes, which have slightly different weights. However, atoms of a particular element always have the same number of protons, equal to the atomic number of the element.
