Splet13. dec. 2024 · Answer: Most of the mass of an atom comes from the electron cloud. Explanation: All options are correct except, Most of the mass of an atom comes from the electron cloud. Because, Most of mass comes from nucleus in … SpletScience Chemistry What percent of the total mass of one atom of xenon (mass of one atom = 2.180x10-22g) comes from electrons? (The mass of an electron is 9.110x10-28 g) (The mass of an electron is 9.110x10-28 g)
What are the parts of an atom? - Phys.org
SpletPred 1 dnevom · Knowing this, University of California, Berkeley, astronomers were able to determine the mass of the supermassive black hole at the galaxy's core to a high precision, estimating it at 5.37 billion ... Splet04. feb. 2009 · Copy. the mass of an atom is concentrated in a very small central portion of the atom which is called the atomic nucleus. The atomic nucleus is made up of nucleons, of which there are two ... the up couple
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SpletVIDEO ANSWER:Hi there, this question is a true false question about the role that the mass of an electron has in the mass of the total atom. So when we think of the mass of an atom, The mass of an atom comes from the masses of the three sub atomic particles. In other words, protons, neutrons, and electrons. So if we look at the mass of each of ... SpletHigh-resolution mass spectrometry (HRMS) indicated the molecular formula C 13 H 6 O 8 for 1, based on the [M − H] − ion at m/z 289.0002 calculated for C 13 H 5 O 8 − to be 288.9990 with a mass tolerance of 4.2 ppm . Thus, as can be seen from the mass difference of 12 amu, 1 has one carbon atom less than EA (2). Splet07. jun. 2024 · The origin of the statement about the almost empty interior of an atom comes from the thorough Rutherford's analysis (1911) [1] of the Geiger and Marsden experiment of alpha particles scattering by thin gold foils. the up cover