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AEnergy of the electrons in the orbits are quantized BThe electron(s) in the orbit nearest to the nucleus has the lowest energy CElectrons revolve in different orbits around the nucleus DThe position and velocity of the electrons in the orbit cannot be determined simultaneously.Submit In Bohr'...
Particles that spin around the nucleus as some distance are called (a) ___. These particles have (b) ___ charge. Nucleus Nucleus is present at the center of the atom. It contains protons and neutrons. Neutrons are the largest particles in an atom. Electro...
In 1913, he suggested that electrons in an atom couldn't just have any orbit they wanted. Instead, they had to be locked into orbits at very specific distances from the nucleus, according to the Nobel Prize citation entry for his subsequent award. In addition, he proposed that there w...
Earlier models of atom described it as a solid sphere of positive charge with electrons embedded in it or an empty space with an extremely small nucleus having electrons revolving around it. The electrons were described to revolve around the nucleus in concent...
Among the isotopes, the unstable isotope has to be identified. Concept Introduction Atoms: Atoms consist of tiny particles called protons, neutrons and electrons. Proton and neutrons are present in the nucleus and the electron resides around the nucleus. The ...
Unstable atomic nuclei lose energy by emitting radiation. In the case of superheavy elements like livermorium, alpha decay is the most common form of radiation, where the nucleus emits an alpha particle (consisting of two protons and two neutrons). This type of decay rapidly reduces the atomic...
protons and the neutrons present in the nucleus of the element and it is denoted by symbol A . The subscript that lies on the left side of the symbol of the element represents the mass number. Cation: Removal of electron from the atom results to form p...
Stars like our Sun leave behind white dwarfs: Earth-size remnants of the original star’s core. More massive stars explode as supernovas, while their cores collapse into neutron stars: ultra-dense, fast-spinning spheres made of the same ingredients as the nucleus of an atom. What the Hell...
The nucleus of the helium atom, for example, consists of four hydrogen atoms bound with two electrons. But Aston has further shown conclusively that the mass of the helium atom is less than the sum of the masses of the four hydrogen atoms which enter into it; and in this, at any rate...