In the chemical symbols for ions such as fe^3^+ and na^1^+, what do you call the little numbers above the normal line of text? superscript numbers subscript numbers

 the  name  of the little  number above the  normal   line  of text  is   superscript  number.

explanation

 Superscript    numbers    are  used to show the  charge   of the  ions of the atoms   or   molecules.

superscript numbers  are  placed  immediately   after  writing  down chemical  formula with sign showing whether is  negatively charged   or  positively  charged.

Subscript   number in the  other hand  show  how  many atoms  of each element  found in a compound.

answer; i believe that the correct answer is (c) explore the outer planets; / plz check good luck