WebAnswer: (a) noble gas; (b) chalcogen; (c) alkaline earth metal; (d) alkali metal. In studying the periodic table, you might have noticed something about the atomic masses of some of the elements. Element 43 (technetium), element 61 (promethium), and most of the elements with atomic number 84 (polonium) and higher have their atomic mass given in ... Web26 sep. 2010 · Best Answer. Copy. It's a metal. Specifically, a transition metal. Wiki User. ∙ 2010-09-26 01:59:54. This answer is: Study guides.
Metal, Nonmetal, or Metalloid? Flashcards Quizlet
WebThis affects the entire body; it causes disturbed heartbeats and loss of weight. Elemental iodine, I 2, is toxic, and its vapour irritates the eyes and lungs. The maximum allowable concentration in air when working with iodine is just 1 mg m … Web31 okt. 2024 · Is oxygen considered a metal or a nonmetal? Oxygen is not a metal .The periodic table is separated into three parts: metals, semi-metals (which are also known as mateliods) and non-metals.Oxygen classifies as a non metal.It is a gas at room temperature, cannot conduct electricity and has a boiling point of -182.96ºC and a … csts goggles
Is iodine a metal? - TimesMojo
WebIodine, with atomic symbol I, is a nonmetal that lies in group 17 of the periodic table, the halogens. The element iodine lies below bromine, above astatine, to the right of tellurium, and to the left of xenon. Its aqueous chemistry is similar to bromine’s. Iodine has an electronegativity of 2.66. The iodine atom has an electron configuration ... Web15 aug. 2024 · It can be possible to predict whether an atom will form a cation or an anion based on its position on the periodic table. Halogens always form anions, alkali metals and alkaline earth metals always form cations. Most other metals form cations (e.g. iron, silver, nickel), whilst most other nonmetals typically form anions (e.g. oxygen, carbon ... Web11 mei 2024 · Nonmetals are essential for different purposes as nonmetals like carbon, oxygen, and hydrogen form the basis of living beings. Oxygen is one of the most important nonmetals, which is essential for all living beings for survival. Besides, other nonmetals like sulfur, phosphorus, and iodine are considered micronutrients for various living beings. csts hamburg