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As atomic interactions occur on a molecular level, we cannot observe them. Hence the need to use atomic models. Atomic models can differentiate atom types, show us the structure of molecules and their bonding (ie. double-bonds, triple-bonds etc.) They can even show the angle of the bonds. However, they may not always be accurate and cannot show the strength of the bonds and conductivity etc.
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JordanChanges to atomic theory are necessary as scientific knowledge advances and new evidence is discovered. These changes help to refine and improve our understanding of the structure and behavior of atoms, leading to more accurate explanations of the physical world. By updating atomic theory, scientists can better explain phenomena and make more precise predictions about the properties of matter.
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What is the first theory to relate chemical changes to events at the atomic level?
The first theory to relate chemical changes to events at the atomic level was proposed by John Dalton in the early 19th century. Known as Dalton's atomic theory, it stated that elements are composed of indivisible particles called atoms, and chemical reactions involve the rearrangement of these atoms to form new substances.
Whose ideas led to the atomic theory of matter?
The atomic theory of matter can be attributed to the ideas proposed by the ancient Greek philosopher Democritus. He hypothesized that all matter is composed of indivisible and indestructible particles called atoms, which differ in shape, size, and arrangement. Democritus' atomic theory laid the foundation for modern atomic theory.
What benefit did chemists derive from Dalton's atomic theory?
Chemists benefited from Dalton's atomic theory by gaining a better understanding of the composition and behavior of matter at the atomic level. This theory provided a foundation for modern chemistry and helped explain various chemical reactions and properties of elements.
Who proposed the first modern atomic theory?
The first modern atomic theory was proposed by John Dalton in the early 19th century. Dalton's theory stated that all matter is made up of tiny, indivisible particles called atoms, and that atoms of different elements have different masses and properties.
What is the significance of Dalton's atomic theory in understanding the concept of atomic mass units (amu)?
Dalton's atomic theory laid the foundation for understanding the concept of atomic mass units (amu) by proposing that elements are made up of indivisible particles called atoms. This theory helped scientists develop a method to measure the relative masses of atoms, which led to the creation of the atomic mass unit as a standard unit of measurement for atomic masses.
