Explanation: The elements in-group 7 are often referred as “halogens”. The majority of the elements … Question: 47) Group 17 (7A) Elements Are Also Called: A) Noble Gases. Group 17 elements are called. Learn more about the properties of halogens in this article. Image showing periodicity of group numbers for group 17 chemical elements. b. atomic mass. What is the atomic number of element of period 3 and group 17 of the Periodic Table? 48) What Is The Oxygen-to-hydrogen Mass Ratio For H2O2? 2 See answers aladeemmanuel562 aladeemmanuel562 D) Alkali Metals. 13. For example, flourine reacts explosively with sodium to form sodium fluoride. 2- The term 'halogen' is a Greek word which means 'salt former' because they react with metals to form compounds called salts. c. number of possible isotopes. B) Halogens. Elements in a group have the same number of energy levels and the same valence electrons. New questions in Science. Elements in group VIIA (sometimes referred to as group 17) are all called _____. ; Group 17 elements can combine with nearly all the elements in the periodic table. The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts). Get the answers you need, now! The most active element in group 17 is fluorine 13. 2Na(s) + F2(g) -----> 2NaF(s) Group 17 Elements. Halogen, any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. 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. 1- The elements in this group are all non metals. None. 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 The elements in group 17 of the periodic table are all called 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. There is considerable confusion surrounding the Group labels. They are called “halogens” because they give salts when they react with metals. The group 17 elements include fluorine(F), chlorine(Cl), bromine(Br), iodine(I) and astatine(At) from the top to the bottom. So, now you know what halogens are! 15. C) Alkaline Earth Metals. lynelle lynelle 01/21/2020 Physics Middle School Elements in group VIIA (sometimes referred to as group 17) are all called _____. The elements of group 16 are called (a) Chalcogens (b) Halogens (c) Pnicogens (d) Noble gases (a) Chalcogens. 14. Notes. When they form ions, they tend to gain an electron and form negative ions. All halogens have the same a. atomic number. Let’s now look at the electronic configuration of these elements. (a) 10 (b) 4 (c) 17 (d) 21 (c) 17. Why this name? Units. halogens 12. A) 0.125 B) 4 C) 8 D) 16 49) What Is The Oxygen-to-sulfur Mass Ratio Of Sulfur Dioxide? 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). The elements of group 17 are called Halogens. The halogens are located on the left of the noble gases on the periodic table. Group 18 are called the noble gases . Although astatine is radioactive and only has short-lived isotopes, it behaves similar to iodine and is often included in the halogen group. 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