They occur in two oxidation states, +2 and +4. Silicon and germanium share similar physical and chemical characteristics, since both are metalloids. Silicon. Silicon is the element with atomic number 14, and it is in the group 14 of the periodic table, just below carbon.
A paresthesia is an abnormal sensation of tingling, numbness, or burning. Paresthesias are usually felt in the hands, feet, arms, or legs, but can be felt anywhere. The sensation is usually unpleasant.
Meaning: Abnormal skin sensations (as tingling or tickling or itching or burning) usually associated with peripheral nerve damage. Classified under: Nouns denoting stable states of affairs. Synonyms: paraesthesia; paresthesia. Hypernyms (paresthesia is a kind of...):