Scandium is a chemical element with the symbol Sc and atomic number 21. It ... Electrons per shell, 2, 8, 9, 2. Physical properties. Phase at STP · solid.

Atomic Mass, 44.95591 atomic mass units ; Number of Protons, 21 ; Number of Neutrons, 24 ; Number of Electrons, 21 ; Melting Point, 1539.0° C.

Scandium has 21 electrons, let's fill electronic layers in described order: 2 electrons on 1s-sub level. 2 electrons on 2s-sub level. 6 electrons on 2p-sub ...

14 окт. 2021 г. · The number of valence electrons in the N shell of scandium is 2. Why is its valency 3 (it should lose 2)? Does the valency depend on the shell ... How do scandiums get 9 electrons in the 3rd subshell? How many valence electrons does scandium have? How many protons, neutrons, and electrons are in Sc3+? What is the shell configuration of scandium? Другие результаты с сайта www.quora.com

Scandium is a chemical ... Number of electrons, 21 e-. From Wikipedia, the free encyclopediaScandium is a chemical element with symbol Sc and atomic number 21.

31 дек. 2018 г. · Final answer: Scandium has 21 electrons, which are distributed according to its electronic configuration ([Ar] 3d¹4s²).