47) Group 17 (7A) elements are also called: A) noble gases. The element misses out on the octet configuration by one electron. C) alkaline earth metals. Period and Group: The Periodic Table is a table we use to visually organize all 118 known chemical elements. Because the halogens are highly reactive, none is found in nature as the free element. Physical and Chemical Properties of Group 17 Elements . highly reactive elements that belong to Group 1. How are these elements alike and how are they different? Group 17 Elements Study Material For Iit Jee Askiitians The General Properties Of Halogens In Modern Periodic Table Science Online Reactivity Of Halides The Halogens Are Five Non Metallic Elements Found In Powerpoint Presentation Free Online Ppt H1rzji Halogens Humans Body Water Process Earth Life Plants The Halogens Group 7 Of Periodic Table Worksheet For 10th 12th … The law of the modern periodic table was proposed by: (a) H.G.I Moselly (b) Dobereincer (c) D.I. Group 14 or IVA; Carbon Group or Tetrels; 4 valence electrons; Diverse properties, intermediate between those of metals and nonmetals ; Best-known member: carbon, which commonly forms 4 bonds; 07. of 10. Estimating the proportions of different types of atoms found in the universe, oxygen was claimed as the fourth abundant element … Physical and Chemical Properties of Group 17 Elements Group 17 Elements: The Halogens The elements in Group 17 are: Fluorine Chlorine Bromine Iodine Astatine These elements are known as halogens. Hydrogen and oxygen combine in the ratio of 1:8 by … If this helps plz mark me as a brainlist. 1 See answer toriej87 is waiting for your help. Group 17 elements are called Halogens. (b) This is because halogens are reactive non-metals. Pick out the chemically most reactive elements from the given triads. They are also non metallic elements. That's why, they are called Noble Gases. New questions in Science. mugdha736 mugdha736 The elements of group 17 are called Halogens. In chemistry, a group (also known as a family) is a column of elements in the periodic table of the chemical elements.There are 18 numbered groups in the periodic table; the f-block columns (between groups 3 and 4) are not numbered. navanathmote14 navanathmote14 Answer: Indonesia I thick but true. (a) Halogen is a Greek word which means salt-former’. Group 17 elements exist as diatomic molecules (X 2) when not combined with other elements. Units. Add your answer and earn points. This is a reasonable belief because the noble gases have a complete octet, making them very stable and unlikely to gain or lose any electrons. The two elements combine to form a salt. The artificially created element 117, tennessine (Ts), may also be a halogen. The halogens (/ ˈ h æ l ə dʒ ə n, ˈ h eɪ-,-l oʊ-,-ˌ dʒ ɛ n /) are a group in the periodic table consisting of five chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). Elements in group 17 are called Halogens. To understand the periodic trends and reactivity of the group 17 elements: the halogens. Transition metals. Group 17 Periodic Table. Halogens include fluorine, chlorine, bromine, iodine and astatine. Halogens means salt producers.The elements present of group 17 i.e Cl,Br etc react with metals to form salts and therefore called halogens. Thus, in the outermost shell of these elements, the number of electrons is 7. The noble gasses have complete valence electron shells, so they act differently. The similarity to this extent is not found in other groups of the periodic table. What do the elements in Group 17 have in common akajajajaj is waiting for your help. However, some compounds have been formed with the larger elements of this group… The... See full answer below. Mendeleev (d) Newlands H.G.I Moselly. Not Sure About the Answer? The post-transition metals are aluminum (Al), gallium (Ga), indium (In), thallium (Tl), tin (Sn), lead (Pb) and bismuth (Bi), and they span Group 13 to Group 17. A) 0.5 B) 1.0 C) 2.0 D) 16 50) Fluorine is considered which of the following? 4 years ago. Alkali metals. Oxygen (as O 2) is a colorless gas. Group 17 elements can combine with nearly all the elements in the periodic table. The most common of these being salt, or sodium chloride, and the potassium compounds sylvite (or potassium chloride) and carnallite (potassium magnesium chloride hexahydrate). There is considerable confusion surrounding the Group labels. They exhibit a regular pattern in the physical and chemical properties. Anonymous. Seven valence electrons, so elements from this group typically exhibit a -1 oxidation state; Noble Gases . Share 0. 2 0. Group 2 elements that have two valence electrons . group 17 elements are called. 1 ; Because the element in the group are reactive nonmetal which has seven valence electrons. Nitrogen Group or Pnictogens Family of Elements . Unlike other groups, noble gasses are unreactive and have very low electronegativity or electron affinity. 2Na(s) + F2(g) -----> 2NaF(s) Source(s): Chemistry student. 14. Reactive elements of Group 17 that are poor conductors.