Rb2S, or rubidium sulfide, is not a metal; it is a compound composed of rubidium, which is an alkali metal, and sulfur, which is a non-metal. In this compound, rubidium exists in the form of cations (Rb⁺), while sulfur forms anions (S²⁻). The overall structure of Rb2S is ionic, characteristic of metal-nonmetal combinations. Therefore, while it contains a metal, Rb2S itself is not classified as a metal.
It's a transition metal.
Chromium is a metal. It belongs to transition metal elements.
Rb (rubidium) is a metal.
Lithium is a metal. In fact, it is an alkali metal (the metals found in group I are alkali metals).
Gold is a metal. Also classified as a "Non-Ferrous metal".
No, Rb2S is not a covalent compound. It is an ionic compound formed by the combination of the metal rubidium (Rb) and the non-metal sulfur (S), where rubidium donates its electrons to sulfur to form an ionic bond.
Rubidium sulfide, with the chemical formula Rb2S, features ionic bonds.
Rb2S is the chemical formula for Rubidium sulfide, a compound formed between the elements rubidium and sulfur. It is commonly used in optical materials and as a catalyst in organic chemistry reactions.
The formula for this compound is Rb2S.
Rb(2)S(2)O(3) That's 2 atoms of Rubidium, 2 atoms of Sulfur, and 3 of Oxygen.
The formula for the ionic compound formed between rubidium and sulfur is Rb2S. Rubidium is a group 1 element with a +1 charge, and sulfur is a group 16 element with a -2 charge. To balance the charges, two rubidium atoms are needed for every sulfur atom.
The chemical formula for the compound formed between rubidium and sulfur is Rb2S. Rubidium is in Group 1 of the periodic table with a +1 oxidation state, while sulfur is in Group 16 with a -2 oxidation state, so they combine in a 1:1 ratio to form Rb2S.
Basically, the formula is K2S.This answer is more complicated: It adopts "antifluorite structure," which means that the small K+ ions occupy the tetrahedral (F−) sites in fluorite, and the larger S2− centers occupy the eight-coordinate (Ca2+) sites. Li2S, Na2S, and Rb2S crystallize similarly.
mercury is a metal. It is liquid at room temperature.
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it is a metal
It's a transition metal.