The half-life isn't specified for an element, but for an isotope. Check the Wikipedia article titled "Isotopes of rubidium" for more details.Rubidium-87 occurs naturally; it has a half-life of 4.92×1010 years.
They are not related!
i think they are related
it related
thay weren't related
They are not related by blood; they become husband and wife.
By relatives, I am assuming that you mean elements in the same family. The metals that are related to sodium are lithium, potassium, rubidium, caesium and francium
They are the elements in the first column of the periodic table: lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr).See the Related Questions to the left for more information about the alkali metals and their properties.
Have a look at the wikipedia article about Rubidium it will answer your question. Click on related links below.
No, it is not a conjunction. It is a noun related to the verb to add.
Potassium and cesium have characteristics more related to rubidium because they are all alkali metals in the same group of the periodic table. Alkali metals share similar chemical properties, such as being highly reactive and easily forming compounds.
No, the word I (first person pronoun) cannot be a conjunction. A conjunction connects related words, phrases, and clauses.
No, it is not a conjunction. The word work is a noun with several related meanings, or a verb.
No, it is not a conjunction. It is an adverb.
In order of reaction strength: Lithium Sodium Potassium Rubidium Cesium Francium Look in related links for a video demonstrating the reactions of different alkali metals mixed with water.
The atomic weight of rubidium is approximately 85.47 grams per mole.
A correlative conjunction
No, it is not a conjunction. It is an adverb related to being considerate or contemplative.