Question: Calculate The Number Of Protons, Neutrons, And Electrons In The Sample Of Scandium That You Weighted If It Is 100% 45SC. The nucleus consists of 21 protons (red) and 24 neutrons (yellow). Multiple Choice 0.05 21 Therefore, neutral scandium has 21 protons and 21 electrons. Start studying Proton, Neutron, Electron Challenge. This means it has 3 fewer electrons than the neutral atom or 21 - 3 = 18 electrons. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The atomic mass of scandium is the average number of protons plus neutrons of all the isotopes of scandium. Scandium's only stable isotope is 45Sc, which has 45 - 21 = 24 neutrons. It has a melting point of 1541 degrees Celsius. 21 electrons (white) bind to the nucleus, successively occupying available electron shells (rings). Mass Of Scandium = 7.6778 Mass Of Scandium = … Scandium is a transition metal in group 3, period 4, and the d-block of the periodic table. Scandium's atomic number is 21. An ion has an unequal number of protons and electrons. A neutral atom has the same number of protons and electrons (charges cancel each other out). While a neutral atom for scandium would have the same number of electrons as protons, the ion is shown to have a +3 charge. To find out the number of neutrons for scandium,we have to have knowledge about atomic number,atomic mass,mass number of scandium. Atoms are made of protons, neutrons, and electrons. Like many of the lanthanides, the trifluoromethansulfonate, or triflate, of scandium finds use as a so-called Lewis acid, accepting a pair of electrons from a suitable organic molecule, and activating the organic molecule to take part in highly efficient and selective chemical reactions.,-Neutrons,-and-Electrons Consider at atom of scandium-42. The mass of the electrons in this atom is about percent of the mass of the protons or neutrons in this atom. Compounds of scandium find use in organic chemistry. Protons carry a positive electrical change, while electrons are negatively charged, and neutrons are neutral. Step-1: The atomic number of scandium is the number of protons in scandium's nucleus.


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