Atomic Mass of scandium: 44,955 912
Only Scandium iodide (or if you want scandium triiodide), ScI3.
The density of scandium is 2.99 grams per cubic centimeter. This element is classified as a metal, and it has the atomic number of 21.
No.of protons of scandium is 21 (ATOMIC NUMBER) ATOMIC NO=no.of proton or electron MASS NO=no of proton+ no.of neutron
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Only a few elements can be chemically combined with scandium. Here are a few examples of chemical reactions involving Scandium;Scandium + Chlorine --> Scandium (III) ChlorideScandium + Nitrogen --> Scandium (III) NitrateScandium + Sulphur --> Scandium (III) SulphideScandium + Oxygen --> Scandium (III) Oxide
The statement that an atom of the element scandium has only one electron is incorrect.
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Scandium has the chemical symbol Sc and 21 is it's atomic number. A link is provided to the Wikipedia article on this (usually considered) rare earth element.
The element scandium has 21 electrons. However, most of these occupy the inner orbitals. The only electrons in the valence shell are those in the 2s orbital. Since there are two such electrons, scandium has 2 valence electrons.
Scandium can react with oxygen, water, acids, and halogens. It forms a protective oxide layer when exposed to air, and reacts readily with acids to produce hydrogen gas. It can also form compounds with halogens, such as scandium chloride and scandium fluoride.
Scandium is a metal because it is in the transition metals section of the Periodic Table. The nonmetals are located near the right of the periodic table and the metalloids are right next to them between the metal and nonmetals. There are only few metalloids.
The original name of scandium is derived from the Latin word "Scandia," which means Scandinavia. Scandium was named after Scandinavia because it was first discovered in rare minerals found in Scandinavia.