Gradation in reactivity of halogen family
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clorine
bromine
iodine
bromine
iodine
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The group 7 elements which are called the halogenes are diatomic in nature i.e they are made up of diatomic molecules and highly reactive the group name (HALOGENS) originated from two greek words known as Hals: meaning ''salts'' and Genes:
meaning ''forming''
All elements in this group form salts compounds similar to (NaCl) by reacting vigorously with alkali metals as you can see on the sodium chloride formula and as well with other metals
They are series of non-metal elements from group 7 which can also be referred to as group 17 becaus of the transition metals at the middle of the periodic table
(formerly VII), The halogens include fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). The artificially created element 117 (ununseptium) may also be considered a halogen, while (Mn) Manganese, (Tc) Technetium, (Re) Rhenium and (Bh) Bohrium are thetransition metals of this group;
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meaning ''forming''
All elements in this group form salts compounds similar to (NaCl) by reacting vigorously with alkali metals as you can see on the sodium chloride formula and as well with other metals
They are series of non-metal elements from group 7 which can also be referred to as group 17 becaus of the transition metals at the middle of the periodic table
(formerly VII), The halogens include fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). The artificially created element 117 (ununseptium) may also be considered a halogen, while (Mn) Manganese, (Tc) Technetium, (Re) Rhenium and (Bh) Bohrium are thetransition metals of this group;
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