It is the letter "I", Group 17 of the Periodic Table.
'J' is this case is an Archaic way of writing the modern letter 'I'. It represents 'iodine.
Iodine ion is not consumed; in the first step the iodine ion is oxidized to iodine, in the second step iodine is reduced to iodine ion.
The iodine stain solution you're referring to might be Lugol's iodine. This is iodine and potassium iodide in water. The product available in a pharmacy is tincture of iodine which is iodine and potassium iodide in ethanol and water. Please see the links.
I stands for iodine. It is placed in group-17.
Iodine solution is commonly used to test for the presence of starch. When iodine solution is added to a substance containing starch, the mixture turns blue-black in color, indicating the presence of starch.
iodine
Iodine
The symbol used for iodine is "I" because it is derived from the element's Latin name, "iodum." The letter "I" was then chosen as the symbol to represent iodine in the periodic table.
Iodine is found in the bathroom. It begins with the letter I.
Ivory soap and iodine are bathroom items. They begin with the letter i.
Items found in the bathroom include Ivory soap and iodine.
· Iodine · Ivory soap
Ivory Soap and iodine are items found in a house. They begin with the letter i.
· Iodine · Ivory soap
I IS A LETTER IN THE ALPHABET!!!!!!!!!!!!!!!!!
Things in the bathroom beginning with the letter i:Ibuprofen,iodine,Ivory soap,
The common name for iodine is iodine.