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DevinNiels Bohr made significant contributions to atomic structure by proposing the planetary model of the atom, where electrons orbit the nucleus in specific energy levels or shells. He also introduced the concept of quantized energy levels and explained the stability of atoms based on the balance between the centrifugal force of electrons and the attraction of the nucleus. Bohr's model formed the basis for our current understanding of atomic structure.
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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.
Can you draw a bohr model of silicon?
No, the atomic model by Niels Bohr is only applicable to atoms or ions with only one electron.
What did Bohr label in his atomic model by a quantum number?
In Niels Bohr's atomic model, he labeled a quantum number to describe the energy levels of electrons orbiting the nucleus. He called this quantum number "n," which represents the principal quantum number and determines the energy and size of the electron's orbit.
Who is credited with an atomic number?
The concept of atomic number is credited to the English physicist Henry Moseley, who demonstrated its relevance in determining the arrangement of elements in the periodic table based on their atomic number instead of atomic weight.
Who coined the term element?
The term "element" was coined by the ancient Greek philosopher Empedocles in the 5th century BCE. He proposed that everything in the universe was composed of four basic elements: earth, water, air, and fire.
