scandium protons and neutrons

3. It has 21 protons and 21 electrons in the atomic structure. 0 0. This is approximately the sum of the number of protons and neutrons in the nucleus. Tareq Mhz. Scandium's main isotope is Scandium 45. Source(s): https://shorte.im/bacSl. Join Yahoo Answers and get 100 points today. C. Subatomic Particles Element Mass Number Protons Neutrons Electrons Atomic Number Scandium 25 27 32 6 8 197 78 Molybdenum 55 17 20 32 15 33 17 Arsenic 43 14 15 191 76 8 18 Lead 126 65 48 D. Isotopes Nuclear Symbol Protons Neutrons Electrons 6430Zn 30 36 6730Zn 38 30 7030Zn Post-Lab Questions and Problems Q5. Scandium is a silvery-white metallic d-block element, it has historically been sometimes classified as a rare-earth element, together with yttrium and the lanthanides. Often, the resulting number contains a decimal. What is an isotope? Scandium (Sc) c) How many neutrons does this atom have? 4 years ago. Protons, neutrons and electrons of all elements are mentioned in the table below. For example, the atomic mass of chlorine (Cl) is 35.45 amu because chlorine is composed of several isotopes, some (the majority) with an atomic mass of 35 amu (17 protons and 18 neutrons) and some with an atomic mass of 37 amu (17 protons and 20 neutrons). Favorite Answer. If you want to know the number of neutrons you need the atomic mass which you'd get from the periodic table: If it has an atomic number of 21 then by definition it must be Scandium. The mass of an atom relative to that of carbon-12. This means it has an atomic mass of 45 which means it has 45-21 = 24 neutrons. The chemical symbol for Scandium is Sc.. Scandium is a silvery-white metallic d-block element, it has historically been sometimes classified as a rare-earth element, together with yttrium and the lanthanides. Get your answers by asking now. 21, 24. 21 b) What is the identity of this atom? Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. A zinc, Zn, atom contains 30 protons inside the nucleus and 30 electrons outside the nucleus. Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. 76,395 results What is Scandium. Give an example. how many protons and neutron are in scandium-45? 22 2. So it has 21 protons and 21 electrons. The atomic number is 21, which means that scandium has 21 protons. The chemical symbol for Scandium is Sc. The chemical symbol for Scandium is Sc. Where more than one isotope exists, the value given is the abundance weighted average. Lv 4. Answer Save. 9 years ago. The atomic number of scandium is 21. An aluminium, Al, atom contains 27 electrons and 27 protons inside the nucleus. This means it has 3 fewer electrons than the neutral atom or 21 - 3 = 18 electrons. Atomic no. Still have questions? 0 0. hollister. 2 Answers. ... As a result, as the number of protons increases, an increasing ratio of neutrons to protons is needed to form a stable nucleus. While a neutral atom for scandium would have the same number of electrons as protons, the ion is shown to have a +3 charge. Sc. Scandium is a 21. chemical element in the periodic table of elements. A scandium Sc, atom contains 45 electrons outside the nucleus and 21 neutrons inside the nucleus. Relevance. Isotopes Atoms of the same element with different numbers of neutrons… Protons, Neutrons and Electrons of all the Elements: Shell Diagram: 1: Hydrogen has 1 proton, 0 neutron and 1 electron: 2: Helium has 2 protons, 2 neutrons and 2 electrons: 3: Lithium has 3 protons, Atoms of the same element (having the same number of protons) with different number of neutrons. Number of neutrons depends on the isotope. Scandium 45. a) How many protons does this atom have? calculate the number of protons, neutrons, and electrons in the sample of scandium that you weighed at 7.9 mass weight if it is 100% ^45Sc. Ask Question + 100. Number of neutrons = Mass number - Atomic number Sc-45 isotope has 24 neutrons

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