What is the mass of rhenium 185?
184.952 958
Rhenium
| Isotope | Atomic mass (Da) | Isotopic abundance (amount fraction) |
|---|---|---|
| 185Re | 184.952 958(6) | 0.3740(5) |
| 187Re | 186.955 752(5) | 0.6260(5) |
What element has an atomic mass of 187?
Rhenium is a chemical element with symbol Re and atomic number 75….8.3Isotope Mass and Abundance.
| Isotope | Atomic Mass (uncertainty) [u] | Abundance (uncertainty) |
|---|---|---|
| 187Re | 186.955 752(5) | 0.6260(5) |
What element is number 75?
Rhenium
Rhenium is element 75 in the periodic table and in many ways a rather unusual element. It is one of the rarest elements on the Earth with an abundance of something like 1 part per million.
What element has an atomic mass of approximately 186 amu?
Chemical Elements.com – Rhenium (Re)
What is the atomic number of rhenium?
75Rhenium / Atomic number
What element has a mass of 130?
(~130~Cs)Caesium | Cs – PubChem.
Is there an element r?
Rhenium is a chemical element with the symbol Re and atomic number 75. It is a silvery-gray, heavy, third-row transition metal in group 7 of the periodic table.
What element has an atomic mass of 180?
Tantalum
| Isotope | Atomic mass (Da) | Isotopic abundance (amount fraction) |
|---|---|---|
| 180Ta | 179.947 47(2) | 0.000 1176(23) |
| 181Ta | 180.948 00(1) | 0.999 8824(23) |
Which element has an atomic mass of 12?
Magnesium
The Elements, sorted by Atomic Mass
| Atomic Number | Symbol | Name |
|---|---|---|
| 11 | Na | Sodium |
| 12 | Mg | Magnesium |
| 13 | Al | Aluminum |
| 14 | Si | Silicon |
What has an atomic number of 74?
tungsten
Take for example the case of element 74 – or as we call it in English – tungsten.
What is element 119 called?
Ununennium, also known as eka-francium or element 119, is the hypothetical chemical element with symbol Uue and atomic number 119. Ununennium and Uue are the temporary systematic IUPAC name and symbol respectively, which are used until the element is discovered, confirmed, and a permanent name is decided upon.
What element has an atomic mass of 131?
Iodine I-131
Iodine I-131 is a radioactive isotope of iodine with an atomic mass of 131, a half life of eight days, and potential antineoplastic activity.
What is the 73rd element?
Both are rare earth elements. Tantalum now sits below niobium in the periodic table. It has an atomic number of 73, and an atomic weight of just under 181.