Examlex
One mole of ________ contains the largest number of atoms.
Input
Data or instructions entered into a computer system for processing, typically received from devices like keyboards or sensors.
ToUpperCase
A function or method in many programming languages that converts all the letters in a given string to uppercase.
ToLowerCase
A method that converts all the characters in a given string to lower case.
LastIndexOf
A method used to find the last occurrence of a specified value in a string or array, returning the index at which it was found, or -1 if it is not found.
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