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Save. All group 16 elements are closely related to human life. Group 16 (VIA) consist of oxygen, sulphur, selenium, tellurium, and polonium. Oxygen exists as a diatomic molecule (O2). p-Block Group 16 Elements (Oxy.. p-Block Group 17 Element (Halo.. p-Block Group 18 Element (Iner.. Grignard Reagents & Organometa.. Oxydation 7 Reduction of Organ.. Aliphetic & Aromatic Aldehyde .. Carboxlic Acid & Its Derivatives; Organic Compounds with Functio.. Oxygen (as O … It constitutes about 89% of water, 46% of the earth crust and 20 % of the air. Marathi Chemistry. When we call them elements, it is essential to note that oxygen is a gas while other group members are solids. Elements of group 16 are oxygen (O), Sulphur (S), Selenium (Se), Tellurium (Te) and Polonium (Po). Atomic number group 16 elements list. It is also a rare element. Electron Gain Enthalpy: The electron gain enthalpy decreases with increase in the size of the central atom moving down the group. Pro Lite, CBSE Previous Year Question Paper for Class 10, CBSE Previous Year Question Paper for Class 12. Ionisation enthalpy: Ionisation enthalpy of elements of group 16 is lower than group 15 due to half-filled p-orbitals in group 15 which are more stable. Sulphur – the chemical symbol for sulphur is S. It is found in combined as well as the isolated state. You have also heard about other elements such as carbon dioxide, hydrogen, and others. You will find 18 groups and 7 periods in the modern periodic table. The group 16 elements react with iodine to form tetra iodides. Synthetic and Natural Polymer; p-Block Group 15 Elements … It has scientific applications for alpha radiations as it is a radioactive element. The p-block elements are put to the right-hand side of the periodic table in groups from 13 to 18. 445k watch mins. ‘Oxygen' and "sulfur" are non-metals, "selenium" and "tellurium" are metalloids and "polonium" is a metal under typical conditions. Sulphur forms SCl 2 (sulphur dichloride), SF 6 (sulphur hexafluoride) and SF 4 … Share. Compounds of selenium, tellurium, and polonium can be hazardous. Oxygen combines with many elements to form their oxides. You already know that oxygen is an essential element. Group 16 Element Oxygen, sulphur, selenium, tellurium and polonium constitute Group 16 of the periodic table. Their compounds are known as chalcogenides. The term chalcogen was first in use by Wilhelm Blitz and Werner Fischer, members of a research group at the University of Hannover in Germany. Answer : Group 16 elements or chalcogens include O xygen, S ulphur, Se lenium, Te llurium, and Po lonium. • All noble gases except radon occur in the atmosphere. Oxygen is abundantly found on the earth. Tellurium is a chemical element having atomic number 52 and has the properties between metals and non-metals. Estimating the proportions of different types of atoms found in the universe, oxygen was claimed as the fourth abundant element after hydrogen, helium, and neon. Login. Group 18 elements 1. Oxygen only forms halides OF 2 and O 2 F Out of them oxy difluoride is most stable halide. Polonium is a radio-active element. Likewise, the metallic character increases from oxygen to polonium. In simple words, a periodic table is a graphical collection of element data. All elements of this group have isotopes with varying stability. It is interesting to note that certain elements behave like oxygen. O and S are essential to all forms of life. Polonium is a radioactive element and is unstable, selenium and tellurium are metalloids, and rest all are considered as non-metals. Study of Group 16 elements. The chemical property of oxygen is that it is highly combustible. It is one of the rarest stable elements found on earth. MHT CET. However, chalcogen has nothing to do with copper, so it means ‘ore former’. This is sometimes known as group of chalcogens (due to ore forming nature). Arrange hydrides of group 16 in order of increasing acidic strength. Tellurium is a metalloid and polonium is a metal. Group 16 of the Periodic Table of Elements Chapter Exam Instructions. The chapter opens with a description of the structures of derivatives of divalent O, S, Se or Te (i.e., dihydrogen, dimethyl, and dichloro derivatives). Property and Allotrophic forms of elements react with iodine to form tetra iodides is a in! Corresponding elements of the elements on earth sometimes used in the same group exhibit similar physical chemical... Is unstable, selenium, … Within the group is also known as.! 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