WebMelting point in °C chlorine green gas lithium chloride 605 bromine red-brown liquid sodium bromide 747 iodine grey solid potassium iodide 681 Table 1 (a) (i) Predict the physical state of fluorine at room temperature. (1)..... (ii) Predict how the colour of astatine at room temperature compares with the colour of iodine. (1) WebAtomic weight of Astatine is 210 u or g/mol. Melting point of Astatine is 302 °C and its the boiling point is 337 °C. » Boiling Point » Melting Point » Abundant » State at STP » Discovery Year About Astatine Astatine is a chemical element discovered closer to the middle of the last century by a group of Californian scientists.
Astatine - Alchetron, The Free Social Encyclopedia
WebMelting Point: 302 °C: Atomic Weight: 210: Boiling Point: 337 °C: Electron Configuration: [Xe]6s 2 4f 14 5d 10 6p 5: Oxidation States: 7, 5, 3, 1, -1: History. From the Greek … Web30 dec. 2024 · It is a solid non metal at room temperature with a melting point of 302°c and a boiling point of 336°c. Astatine like Iodine can be absorbed by the thyroid, in animal … quotes by william howard taft
Will astatine conduct electricity?
WebThe atomic radius of Astatine atom is 150pm (covalent radius). It must be noted, atoms lack a well-defined outer boundary. The atomic radius of a chemical element is a measure of the distance out to which the electron cloud extends from the nucleus. WebAnswer the questions and relate the intermolecular forces present among the species to explain the different properties exhibited by the substances. Melting and Boiling Points Substance Molar Mass, g/mol Melting Point, K Boiling Point, K Fluorine (F2) 38 53 85 Bromine (Br2) 160 266 332 Astatine (At2) 420 575 610 WebMelting point: 302°C Boiling point: 337°C (estimation) Van der Waals radius: 200 pm Ionic radius: Isotopes: Most characteristic isotopes: 210At, 211At Electronic shell: The energy … quotes by wilma mankiller