Describe qualitative tests for halogens. What is the historical discovery of each halogen element

(a) Alkali metals (b) Halogens (c) Alkaline earth metals (d) Transition metals (e) Hydrogen (f) Helium. Verified step by step guidance. 1. Identify the ... Explain some trends when going down Group 7 of Halogens in the Periodic Table. Going down Group 7 in the period table, the mass number increases, so the ... Why are they so reactive? Halogens are so reactive, because they have 7 valence electrons, and are very close to having a complete shell of 8 electrons. The ... Groups in the periodic table can be classified in specific groups as eg alkali metals, halogens or noble gases, because they have the same number of electrons ... Welcome to our exploration of the halogens, a fascinating group of elements in the periodic table! These reactive elements, found in Group 17, are some of the ... Halogens wasu element ne dasuke da atoms guda biyu (diatomic molecules), sune group na bakwae (group seven) acikin periodic table Astatine • Halogen · Experimental information. N/A · Interpretation of XPS spectra. N/A · About this element Astatine is the heaviest of the halogens and is ... Halogen - A halogen is an element found in Group 7 of the periodic table. Group - A group is a column on the periodic table that corresponds to the number ... Halogens are among the most chemically reactive elements in the periodic table, exhibiting a diverse chemistry in terms of the large numbers of compounds they ... Halogens can be defined as elements that form salts when they react with metals. There are six halogens- fluorine, chlorine, bromine, iodine, astatine, and ...