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He discovered that the atom contained smaller particles called electrons.
He discovered that the atom contained smaller particles called electrons.
The importance of alkali is to build up the molecule to the center of its atom and to produce another atomic molecules
What was proven wrong about the structure of Niels Bohr atom
Dmitri Mendeleev constructed the periodic table of elements in 1869 based on atomic mass( which is how much an atom weighs). this however was changed many many years later resulting in our current design of the periodic table which is based on atomic number instead.( the number of protons in an atom.)
an atom is the smallest part of any substance a substance has to be an atomic structure because every substance has at least one atom.
The pairing of Isaac Newton with the contribution to the understanding of the atom is incorrect. Newton was primarily known for his work in physics and mathematics, particularly his laws of motion and universal gravitation, which were foundational to classical mechanics. The understanding of the atom was more significantly influenced by scientists like John Dalton, J.J. Thomson, and Ernest Rutherford.
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The nucleus provides that bulk of the mass of an atom. The nucleus is the location of the positively charged protons and the neutrons that make up an atom.
J.J. Thomson's discovery of the electron in the late 19th century helped revolutionize our understanding of the atom. His experiments with cathode rays led to the development of the plum pudding model of the atom, which proposed that atoms contain negatively charged electrons embedded in a positively charged sphere. This model eventually paved the way for the modern understanding of atomic structure.
Marie Curie's work on radioactivity fundamentally changed our understanding of the atom by demonstrating that atoms are not indivisible and can undergo spontaneous transformation. She showed that atoms of one element can transmute into atoms of another through radioactive decay, challenging the idea of atoms as immutable building blocks of matter. This contributed to the development of modern nuclear physics and our understanding of the structure of the atom.
Transmutation of elements -- huh -- the atom was thought to be the unbreakable atom of Greek legend, but Dr. M. Curie's work showed otherwise.