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Cambridge International Examinations Cambridge …

2 Rubidium, Rb, is a Group I element. It has similar physical and chemical properties to the other elements in Group I. (a) Predict how many electrons there are in the outer shell of a rubidium atom..... [1] (b) Predict one physical property of rubidium which is the same as that of a transition element such as iron. ...

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Rubidium (Rb)

Rubidium - Rb Chemical properties of rubidium - Health effects of rubidium - Environmental effects of rubidium. Atomic number. 37. Atomic mass. 85.4678 g.mol-1. ... It is one of the most electropositive and alkaline elements. Rubidium can be liquid at ambient temperature, but only on a hot day given that its melting point is about 40°C. ...

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Rubidium

Element Rubidium (Rb), Group 1, Atomic Number 37, s-block, Mass 85.468. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

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Rubidium (Rb)

Rubidium. Rubidium is a soft, silvery-white metallic element of the alkali metals group (Group 1). It is one of the most electropositive and alkaline elements. Rubidium can be …

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Rubidium

Atomic Number – Protons, Electrons and Neutrons in Rubidium. Rubidium is a chemical element with atomic number 37 which means there are 37 protons in its nucleus.Total number of protons in the nucleus is called the …

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Rubidium

About Rubidium. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air.

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Periodic Table Of The Elements Rubidium | Encyclopedia

rubidium (symbol Rb) Silver-white metallic element of the alkali metals (group I of the periodic table).It ignites spontaneously in air and can be liquid at room temperature. It was discovered in 1861 by the German chemist Robert Bunsen and the German physicist Gustav Kirchhoff.The element has few commercial uses; small …

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Orbital Diagram of All Elements (Diagrams given Inside)

no. Orbital Diagram of All Elements. Diagrams. 1. Hydrogen (H) 2. Helium (He) 3. Lithium (Li)

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The Parts of the Periodic Table

Rubidium (Rb, Z=37). Rubidium is a soft, white metal; it is similar to sodium and potassium in its reaction with water, but the reaction is even more violently exothermic. Its name is derived from the Latin word for deep red (ruby), rubidius. It is found in the Earth's crust at a concentration of 90 ppm, making it the 22nd most abundant element.

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rubidium

Also known as. English. rubidium. chemical element with symbol Rb and atomic number 37. Rb. element 37. 37Rb.

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Rubidium

Rubidium (Rb) is a chemical element of the periodic table, located in group 1 and period 5, and has the atomic number 37. It is a very soft, silvery-white alkali metal whose name comes from the Latin word "rubidus" (which means the deepest red). It was discovered in 1861 by Robert Bunsen and Gustav Kirchhoff, who observed its spectral …

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Rubidium

Rubidium is a chemical element having the symbol Rb and the atomic number 37. It is an extremely soft, silvery-white coloured metal in the alkali metal group. The rubidium metal shares similarities to the potassium metal and the caesium metal when it comes to the physical appearance, softness and conductivity.

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Rubidium (Rb) Element: Important Properties, Uses, …

Rubidium (Rb) Element: Important Properties, Uses, Effects History of Rubidium. Robert Bunsen (a German chemist) and Gustav Kirchhoff (a German physicist) discovered radium in... Occurrence of …

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Rubidium | SpringerLink

The element rubidium (Rb, Latin – rubidius, "deepest red") was discovered by Robert Bunsen and Gustav Kirchhoff in 1861 through the extraction of rubidium salt analyses from lepidolite, a mica-group mineral. Bunsen purified Rb within 2 years of its discovery. Campbell and Wood were the first to report its natural radioactivity in 1906.

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Rubidium | Rb (Element)

Chemical element, Rubidium, information from authoritative sources. Look up properties, history, uses, and more.

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Rubidium Rb (Element 37) of Periodic Table

37 Rb (Rubidium) Flashcard of Rubidium. Rubidium is a soft, silvery-white metallic, and one of the most electropositive element. It can be liquid at ambient temperature, but only on a hot day given that its melting point is about 40°C. It ignites spontaneously in air and reacts violently in water, setting fire to the liberated hydrogen.

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Atomic Radius of All the Elements (Complete Chart)

Elements. Atomic Radius of Elements (pm) 1. Hydrogen (H) 120 pm. 2. Helium (He) 140 pm. 3.

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Chemical Elements

Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals Metalloids Non-Metals Halogens Noble Gases Rare Earth Elements Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page. Basic Information Name: Rubidium Symbol: Rb Atomic Number: 37 Atomic Mass: 85.4678 amu Melting Point: …

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Periodic Table of Elements: Los Alamos National Laboratory

Twenty four isotopes of rubidium are known. Naturally occurring rubidium is made of two isotopes, 85 Rb and 87 Rb. Rubidium-87 is present to the extent of 27.85% in natural rubidium and is a beta emitter with a half-life of 4.9 x 10 10 years. Ordinary rubidium is sufficiently radioactive to expose a photographic film in about 30 to 60 days.

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Rubidium Facts, Symbol, Discovery, Properties, Uses

What is Rubidium. Rubidium (pronunciation roo-BID-ee-em [2] ), represented by the chemical symbol (molecular formula) Rb [1, 12], is a soft element belonging to the family of alkali metals [1, 2]. It has 29 isotopes with known half-lives the mass numbers of which range from 74 to 102. The naturally occuring element is a mixture of two isotopes ...

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Rubidium Element | The Radiant Element Rubidium | ChemTalk

Rubidium has the atomic symbol Rb with an atomic number of 37. It is located in the s-block of the periodic table, below potassium and above cesium. Rubidium is the fourth element in the alkali metals on the periodic table.

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Rubidium | Encyclopedia

Rubidium is a soft, silvery metal. It is one of the most active chemical elements. Rubidium is a member of the alkali family. The alkali family consists of elements in Group 1 (IA) of the periodic table. The periodic table is a chart that shows how chemical elements are related to one another. Other Group 1 (IA) elements include lithium, …

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Rubidium (Rb)

Rubidium (Rb) is a silver-white coloured metal that has the atomic number 37 in the periodic table. It is an Alkali Metal and is located in Group 1 of the periodic table. it has the symbol Rb. ... are so reactive that they are generally found in nature combined with other elements. The alkali metals are shiny, soft, highly reactive metals at ...

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Ions: Electron Configuration | Wyzant Ask An Expert

Experienced Tutor. See tutors like this. The complete configuration for the common monatomic ion formed by the element rubidium, Rb is 1s2 2s2 2p6 3s23p6 4s2 3d10 4p6 and this ion is a cation with a charge of 1+. Upvote • 0 Downvote. Add comment.

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rubidium summary | Britannica

rubidium, Metallic chemical element that is part of the alkali metal group, chemical symbol Rb, atomic number 37. Rubidium is the second most reactive metal after cesium and is very soft, with a silvery white lustre. It was discovered in 1861, and its name derives from the Latin word for red, in reference to rubidium's prominent red spectral lines. . Rubidium is …

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Unit 3,Lesson 3 Flashcards | Quizlet

Study with Quizlet and memorize flashcards containing terms like Which property do the elements in each column of the representative elements series of the periodic table have in common?, Which element has six valence electrons?, Which statement correctly compares the number of protons and electrons in atoms of rubidium (Rb) and calcium (Ca)? and …

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Periodic table Flashcards | Quizlet

A group of elements. On the far left. The alkali metals are a group (column) in the periodic table consisting of the chemical elements lithium (Li), sodium (Na), potassium (K),[note 1] rubidium (Rb), caesium (Cs),[note 2] and francium (Fr). ... (Na), potassium (K),[note 1] rubidium (Rb), caesium (Cs),[note 2] and francium (Fr). This group lies ...

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Rubidium | Periodic Table | Thermo Fisher Scientific

Symbol: Rb Date of discovery: 1861 Name origin: Latin rubidus Appearance: gray white Discoverer: Robert Bunsen, Gustav Kirchhoff Obtained from: refined lithium Melting …

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Covalent and Ionic Bonding Quick Check Flashcards | Quizlet

Responses. The sodium atom transfers electrons to the chlorine atoms to form ionic bonds. Based on their locations in the periodic table, which two elements are most likely to form covalent bonds with each other? Nitrogen (N) and Oxygen (O) Which phrase best describes electronegativity? the relative strength with which an element attracts ...

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Rubidium

Rubidium Symbol: Rb Rubidium Atomic Number: 37 Rubidium Atomic Weight: 85.47 What is Rubidium? Rubidium is a metal that belongs to the alkali group and forms alloys with elements such as potassium, sodium, cesium, and gold. It is silvery-white in color and soft and is composed of 2 isotopes. It was discovered by the German physicist Gustav ...

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