WebOct 10, 2010 · What element in the 3rd period forms minus 1 ion? Chlorine, the halogen in period 3. ... What is The halogen in the third period? chlorine. Which is the halogen in period 5? Iodine. WebGroup 7A — The Halogens. Group 7A (or VIIA) of the periodic table are the halogens : fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). The name "halogen" means "salt former", derived from the Greek words halo- ("salt") and -gen ("formation"). The Group 7A elements have seven valence electrons in their highest-energy ...
Period 3 element - Wikipedia
Webhalogen, any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts). … WebE) Iodine. E) Iodine. Group 18 elements were called the noble gases originally because. A) they have a full octet. B) they are colorful, so 'noble.'. C) they 'crown' the end of each period of the table. D) they were discovered by Alfred Nobel, founder of the Nobel Prizes. E) they were believed to be 'too noble' to react with other elements. dave\u0027s toy box
What does the halogen from the third period mean? - Answers
WebSep 18, 2008 · The halogen elements are fluorine, chlorine, bromine, iodine, astatine, and possibly tennessine. The halogens are highly reactive nonmetallic elements. They commonly form ionic bonds with metals and covalent bonds with other nonmetals. The … The nonmetals or non-metals are a group of elements located on the right side of the … Properties: Fluorine has a melting point of -219.62°C (1 atm), boiling point of … WebAug 21, 2024 · Halogen Group (Group 17) Trends. The halogens are located on the left of the noble gases on the periodic table. These five toxic, non-metallic elements make up … WebThe symbol of the halogen with a complete electron configuration:1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p5. Question. The symbol of the element in the third period with 5 valence electrons and is used in the manufacture of safety matches. 2. The symbol of the element in the first period with 2 valence electrons and used to inflate party ... bayar virtual account mandiri