The nucleus consists of 21 protons (red) and 24 neutrons (yellow). 21 electrons (white) bind to the nucleus, successively occupying available electron shells ( ...

A scandium atom has twenty-one protons and twenty-one electrons. The number of neutrons in an atom can be determined by the difference between the atomic mass ...

Protons/Electrons: 21. Neutrons: 24. Shell structure: 2,8,9,2. Electron configuration: [Ar]3d14s2. Oxidation state: 3. Crystal structure: hexagonal. A rare ...

Number of Protons/Electrons: 21 ; Number of Neutrons: 24 ; Classification: Transition Metal ; Crystal Structure: Hexagonal ; Density @ 293 K: 2.989 g/cm ...

Scandium has twenty-one protons and twenty-four neutrons in its nucleus, and twenty-one electrons in four shells. It is located in group three, period four and ...

Scandium is a chemical element with the symbol Sc and atomic number 21. It is a silvery-white metallic d-block element.

Relative atomic mass. The mass of an atom relative to that of carbon-12. This is approximately the sum of the number of protons and neutrons in the nucleus.

23 окт. 2020 г. · Thus,in Sc3+ 18 electrons, 21 protons and (45–21)or,24 neutrons are present.

25 авг. 2023 г. · Final answer: Sc-45 is an isotope of scandium with 21 protons, 24 neutrons, and 21 electrons. Explanation: Sc-45 represents an isotope of the ...