Confidence votes 20.5K. All the halogens (periodic column 17) oxygen, and sulfur. Silver can also form alloys with many other metals, but these are not usually considered chemical reactions because they do not always produce compounds with constant composition. All the halogens (periodic column 17) oxygen, and sulfur.
1 Innervated by facial nerve (anterior papillae) and glossopharyngeal nerve (posterior papillae).  Circumvallate papillae - there are only about 10 to 14 of these papillae on most people, and they are present at the back of the oral part of the tongue.
1 doctor agreed: 1  Pimple: Is a very generic description. 2  Pimple on tounge: It can be benign, but have it checked with an oral surgeon, they may take a a biopsy to be sure. 3  Yes, it is: Hard to say what it is.  Inflamed Papillae: What may appear as a pimple on the back of your tongue could be an inflamed taste bud. Also, tonsillar tissues are located around the throat in this area in a 'ring' pattern, that may be enlarged or inflamed. Finally, some lesions of this type may be related to oral cancer or std's.