What is the atomic weight of chlorine?
35.453 u
Chlorine/Atomic mass
What is the atomic mass of polonium?
209 u
Polonium/Atomic mass
What is the atomic number and atomic weight of chlorine?
Chlorine is a chemical element with symbol Cl and atomic number 17. Classified as a halogen, Chlorine is a gas at room temperature….Chlorine.
| Atomic Mass | 35.45u |
|---|---|
| Year Discovered | 1774 |
What is the atomic weight of chlorine-35?
Chlorine
| Isotope | Atomic mass (Da) | Isotopic abundance (amount fraction) |
|---|---|---|
| 35Cl | 34.968 8527(3) | [0.755, 0.761] |
| 37Cl | 36.965 9026(4) | [0.239, 0.245] |
What is the atomic mass of chlorine-37?
36.97u
“The atomic mass of chlorine-35 is 34.97u, and the atomic mass of chlorine-37 is 36.97u.
What is the atomic mass of polonium-210?
209.98286
CHEBI:37340 – polonium-210 atom
| ChEBI Name | polonium-210 atom |
|---|---|
| ChEBI ID | CHEBI:37340 |
| Definition | The radioactive isotope of polonium with relative atomic mass 209.98286 and half-life of 138.376 days; the only naturally occurring isotope of polonium. |
| Stars | This entity has been manually annotated by the ChEBI Team. |
What is the density of polonium?
9.4 g/cm3
polonium
| atomic number | 84 |
|---|---|
| atomic weight | 210 |
| melting point | 254 °C (489 °F) |
| boiling point | 962 °C (1,764 °F) |
| density | 9.4 g/cm3 |
What element’s symbol is F?
fluorine
fluorine (F), most reactive chemical element and the lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table.
What is the mass of 35Cl?
34.968852
Reference E95
| Isotope | Mass | Spin |
|---|---|---|
| 35Cl | 34.968852 | 3/2 |
| 37Cl | 36.965903 | 3/2 |
What is the atomic number of the element chlorine?
Chlorine – Periodic Table Element Chlorine Atomic Number 17 Symbol Cl Element Category Halogen Phase at STP Gas
How big is the atomic radius of polonium?
Atomic Radius of Polonium The atomic radius of Polonium atom is 140pm (covalent radius).
Which is the most common isotope of polonium?
Isotopes. Twenty five isotopes of polonium are known, with atomic masses ranging from 194 to 218. Polonium-210 is the most readily available. Isotopes of mass 209 (half-life 103 years) and mass 208 (half-life 2.9 years) can be prepared by alpha, proton, or deuteron bombardment of lead or bismuth in a cyclotron,…
What is the half life of polonium 210?
Polonium-210 is a low-melting, fairly volatile metal, 50% of which is vaporized in air in 45 hours at 55°C. It is an alpha emitter with a half-life of 138.39 days.