atomic number 53 meaning
UK US
atomic number 53 (noun): a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks).
Definition of atomic number 53
- a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)
Type of: chemical element, halogen
Kinds: iodine-131, iodine-125
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