my.chemeurope.com. Write a symbol for each of the following neutral isotopes. (a) the halogen in the same period as the alkali metal with 11 protons (b) the alkaline earth metal in the same period with the neutral noble gas with 18 electrons (c) the noble gas in the same row as an isotope with 30 neutrons and 25 protons (d) the noble gas in the same period as gold. Halogens on the Right In the second column from the right side of the periodic table, you will find Group Seventeen (Group XVII).This column is the home of the halogen family of elements. Br (Atomic no.= 35, Atomic mass= 79.904) 0 0. 1 decade ago. Use the periodic table to give the name and symbol for the alkaline earth metal in the same period with the neutral noble gas with 18 electrons. Halogen Group 17 Period 2 9 F 3 17 Cl 4 35 Br 5 53 I 6 85 At 7 117 Uus The halogens or halogen elements are a series of nonmetal elements from Group 17. The name halogen is derived from the Greek words for “salt forming,” which reflects that all the halogens react readily with metals to form compounds, such as sodium chloride and calcium chloride (used in some areas as road salt). The elements included are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). My watch list. Who is in this family? 0 0. Name: Chlorine Symbol: Cl Atomic Number: 17 Atomic Mass: 35.4527 amu Number of Protons/Electrons: 17 Number of Neutrons: 18 Date of Discovery: 1774 Discoverer: Carl Wilhelm Scheele Uses: Water purification, bleaches Classification: Halogen Chlorine, Cl. Kalooka. 42b. the halogen in the same period as lithium; the chalcogen in the same period as cadmium; Use the periodic table to give the name and symbol for each of the following elements: the halogen in the same period as the alkali metal with 11 protons; the alkaline earth metal in the same period with the neutral noble gas with 18 electrons Lv 7. Source(s): https://shrinke.im/a9HZH. Use the periodic table to give the name and symbol for the halogen in the same period as the alkali metal with 11 protons. Join Yahoo Answers and … 2: Atoms, Molecules, and Ions ... which places it in period 4 and group 16. Ask Question + 100. Get your answers by asking now. Still have questions? Halogen In Period 2. my.chemeurope.com . This is only two electrons away from having a full octet of eight electrons, so many of these elements form anions having -2 charges: oxide, O 2-; sulfide, S 2-, selenide, Se 2-, etc. The Group 6A elements have six valence electrons in their highest-energy orbitals (ns 2 np 4). an alkali metal in period 3 and halogen in period 2 - Chemistry - TopperLearning.com | n2g8mu it's Bromine.

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