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Rubidium has a density about one and a half times that of water and is solid at room temperature, although the metal will melt if it’s just a bit warmer, according to Chemicool.
| Density | Name | Symbol |
|---|---|---|
| 1.63 g/cc | Rubidium | Rb |
| 1.738 g/cc | Magnesium | Mg |
| 1.82 g/cc | Phosphorus | P |
| 1.848 g/cc | Beryllium | Be |
…
Group 1A — The Alkali Metals.
| 5 | |
| 1A | Rb |
| 2A | Sr |
| Y | |
| 4A | Sn |
…
rubidium.
| atomic number | 37 |
|---|---|
| electron config. | 2-8-18-8-1 or [Kr]5s1 |
Table of Contents
What is the density of rubidium?
| Density | Name | Symbol |
|---|---|---|
| 1.63 g/cc | Rubidium | Rb |
| 1.738 g/cc | Magnesium | Mg |
| 1.82 g/cc | Phosphorus | P |
| 1.848 g/cc | Beryllium | Be |
Is rubidium a soft metal with low density?
…
Group 1A — The Alkali Metals.
| 5 | |
| 1A | Rb |
| 2A | Sr |
| Y | |
| 4A | Sn |
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Is rubidium a heavy element?
…
rubidium.
| atomic number | 37 |
|---|---|
| electron config. | 2-8-18-8-1 or [Kr]5s1 |
What is the densest element?
…
| Discovery date | 1803 |
|---|---|
| Origin of the name | The name is derived from the Greek word ‘osme’, meaning smell. |
| Allotropes |
What has the least density?
Hydrogen is the element with the lowest density in the periodic table.
Which metal has the least density?
Under standard conditions, lithium is the lightest metal and the least dense solid element. It is a soft, silver-white metal belonging to the alkali metal group of chemical elements.
What are the properties of rubidium?
- It is the second most electropositive metal.
- It is soft and silvery.
- It is highly inflammable.
- It is mildly radioactive.
- It ignites spontaneously in air.
- It vigorously reacts with water and combines with the halogens.
See some more details on the topic Does Rubidium have a high density? here:
Rubidium – Wikipedia
Rubidium is the first alkali metal in the group to have a density higher than water, so it sinks, unlike the metals above it in the group. Rubidium has a …
Rubidium – Element information, properties and uses – The …
Density is the mass of a substance that would fill 1 cm3 at room temperature. … Rubidium has no known biological role and is non-toxic.
densities of lithium, sodium, potassium, etc.
Density of Lithium. 0.534. iron and magnesium were found upon analyzing this sodium qualitatively. 99.94 per cent.
Rubidium
Its density is 1.475 grams/cm3 in the liquid state. It is the second most electropositive element that there is! Rubidium is the 16th most abundant element that …
Does rubidium sink in water?
Rubidium: Rubidium sinks because it is less dense than water. It reacts violently and immediately, with everything leaving the container. Rubidium hydroxide solution and hydrogen are formed.
What makes rubidium unique?
The scientists found that rubidium was more electropositive (meaning that rubidium tended to form positive ions more readily, according to Encyclopedia) than potassium, another alkali metal and reacted violently with water releasing hydrogen.
Why is rubidium the most active metal?
Most of the active metals are so reactive that they readily combine with O2 and H2O. These metals are found in the group I A and II A of the periodic table. As all the given options belong to the same group and the activity increases down the group. So Rubidium is the most active metal.
What type of solid is rubidium?
Rubidium is a metallic solid as the constituent particles in the rubidium substance is the rubidium metal atoms.So a metallic solid is composed of metal atoms. Hence rubidium is a mettalic soild.
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What type of element is rubidium?
Rubidium is one of the alkaline metals, as group one of the periodic table are otherwise known. The alkali metals have a single electron in their outer shell, which makes them highly reactive with oxygen, water and halogens, and also means that their oxidation state never exceeds +1.
What does having a high density mean?
Density describes how compact or concentrated something is. For example, suppose you have two boxes, one large and one small. However, they both weigh the same. That means the small box has a higher density than the large box. Density also tells how concentrated or crowded something is.
What is the second densest element?
Iridium appears as symbol Ir on the periodic table and has an atomic weight of 192.217 and a density of 22.56 g/cm³, making it the second-densest known element.
Which non metal has highest density?
Answer: Iridium and osmium have the highest densities where as lithium has the lowest density.
What is low and high density?
Density is the mass of an object divided by its volume; in other words, how much of something has been packed into a certain amount of space. Mass refers to how light or heavy an object is. An object may be very heavy (have a high mass) but have low density because it weighs very little per unit of volume.
What has a lot of density?
Examples of dense materials include iron, lead, or platinum. Many kinds of metal and rock are highly dense. Dense materials are more likely to ‘feel’ heavy or hard.
What are the densest metals?
Osmium and iridium are the most dense metals. In other words, their atoms are packed together more tightly in solid form than other metals. With a density of 22.6 g/cm3 and 22.4 g/cm3 respectively, osmium and iridium are about twice as dense as lead, which has a density of 11.3 g/cm3.
Which is the densest and lightest metal?
∴ Aluminium is the densest and lightest among the given options.
How does rubidium react with water?
Reaction of rubidium with water
Rubidium metal reacts very rapidly with water to form a colourless solution of rubidium hydroxide (RbOH) and hydrogen gas (H2). The resulting solution is basic because of the dissolved hydroxide. The reaction is very exothermic.
What does rubidium metal look like?
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Does rubidium have a high melting point?
Is rubidium so reactive?
Rubidium is a typical but very reactive member of the series of alkali metals. It is appreciably more reactive than potassium, but less so than caesium, and so would be expected to react more violently with those materials that are hazardous with potassium or sodium.
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