About; Faculty; Journal Club. What is the heaviest thing on earth? a. carbon c. potassium b. lithium d. neon. 2 Answers. Answer Save. Across the period this value decreases with fluorine having the lowest. How does the size of fluorine ion (F-1) compare to that of a fluorine atom (F)? Period 2 has much more conclusive trends. Answer Questions. 9 answers. s. Score 1. Which element has the largest atomic radius? A very hard, brittle, silvery-white transition metal of the platinum group, iridium is considered to be the second-densest metal (after osmium) with a density of 22.56 g/cm 3 as defined by experimental X-ray crystallography. What is the family name of the elements in group 2? 02. Empowering stroke prevention. ... Do radioactive elements cause water to heat up? Answer Questions. Lithium has the largest atomic radius in period 2 at 145 picometres. Lithium has the largest atomic radius in period 2 at 145 picometres. Dec20. Asked 5 days ago|12/3/2020 2:26:48 AM. Period 2 is the first period in the periodic table from which periodic trends can be drawn. Iridium is a chemical element with the symbol Ir and atomic number 77. True. This site is intended for healthcare professionals only. Be Ca Mg Sr. Sr. C) An alkaline earth metal. What element in the second period has the largest atomic radius? Period 1, which only contains two elements (hydrogen and helium) is too small to draw any conclusive trends from it, especially because the two elements behave nothing like other s-block elements. Lithium in the second period has the largest atomic radius. The heaviest object ever directly weighed was the Revolving Service Structure (RSS) of launch pad 39B at NASA’s Kennedy Space Center, Florida, USA. Which element in Period 2 has the most mass? Atomic radius increases from left to right in a period and increases from top to bottom in a group. Question. another hint is, if you are to compare elements in a group or period, check the atomic number, the higher the atomic number is, the bigger the atomic radius is. B) A noble gas. Updated 5 … D) an alkali metal. 2) As you move across a period, atomic radius decreases. Which type of element in period 2 has the largest atomic radius? which element in period 2 has the greatest atomic radius; Prev Next. The element which has the largest atomic radius is Cesium. True or false. Factor Xa Inhibitor Reversal Across the period this value decreases with fluorine having the lowest. Atomic Radius is defined as the distance between the center of the nucleus and the outermost shell of an atom. ... Period. Elements in the same family have the same number of valence electrons? The elemenents of the periodic table sorted by atomic mass Log in for more information. A.R. A) A halogen. Relevance. Cesium has 6 orbital shells, which means that it automatically is big. 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