Although astatine is radioactive and only has short-lived isotopes, it behaves similar to iodine and is often included in the halogen group. lynelle lynelle 01/21/2020 Physics Middle School Elements in group VIIA (sometimes referred to as group 17) are all called _____. Units. The halogens are located on the left of the noble gases on the periodic table. Group 18 are called the noble gases . Notes. 48) What Is The Oxygen-to-hydrogen Mass Ratio For H2O2? b. atomic mass. 2- The term 'halogen' is a Greek word which means 'salt former' because they react with metals to form compounds called salts. Halogen, any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. When they form ions, they tend to gain an electron and form negative ions. The most active element in group 17 is fluorine 13. B) Halogens. Group 17 Elements. The elements of group 17 are called Halogens. The majority of the elements … Explanation: The elements in-group 7 are often referred as “halogens”. Group 17: halogens; Group 18: noble gases; In addition, groups may be idenitifed by the first element in each group - so the Group 16 set of elements is sometimes called the oxygen group. Image showing periodicity of group numbers for group 17 chemical elements. They are called “halogens” because they give salts when they react with metals. Learn more about the properties of halogens in this article. Question: 47) Group 17 (7A) Elements Are Also Called: A) Noble Gases. Elements in a group have the same number of energy levels and the same valence electrons. halogens 12. None. 1- The elements in this group are all non metals. 2 See answers aladeemmanuel562 aladeemmanuel562 Group 17 elements are also known as: (a) halogens (2) (name still in common use) (b) Group VIIA (name no longer used) Group 17 elements are non-metals; Group 17 elements exist as diatomic molecules (X 2) when not combined with other elements. ; Group 17 elements can combine with nearly all the elements in the periodic table. c. number of possible isotopes. The elements in group 17 of the periodic table are all called halogens. So, now you know what halogens are! Write a short note on biosphere write a short note on biosphere those students who wants oswaal sample paper ,educart sample paper ,Notes,in pdf format then message me I will send you pdf in free of cost 2Na(s) + F2(g) -----> 2NaF(s) 13. The elements of group 16 are called (a) Chalcogens (b) Halogens (c) Pnicogens (d) Noble gases (a) Chalcogens. Group 17 elements are called. New questions in Science. What is the atomic number of element of period 3 and group 17 of the Periodic Table? For example, flourine reacts explosively with sodium to form sodium fluoride. The group 17 elements include fluorine(F), chlorine(Cl), bromine(Br), iodine(I) and astatine(At) from the top to the bottom. There is considerable confusion surrounding the Group labels. (a) 10 (b) 4 (c) 17 (d) 21 (c) 17. 15. Get the answers you need, now! All halogens have the same a. atomic number. Let’s now look at the electronic configuration of these elements. A) 0.125 B) 4 C) 8 D) 16 49) What Is The Oxygen-to-sulfur Mass Ratio Of Sulfur Dioxide? D) Alkali Metals. C) Alkaline Earth Metals. 14. These five toxic, non-metallic elements make up Group 17 of the periodic table and consist of: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). Elements in group VIIA (sometimes referred to as group 17) are all called _____. Why this name? 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