PART 1: WHAT IS THE IDENTITY OF THE ATOM? A scanning tunneling microscope (STM) allows scientists to manipulate individual atoms. Below is an image of the IBM logo created by manipulating atoms using an STM. Each dot in the picture is one atom of the same element. IBM RESEARCH/SCIENCE PHOTO LIBRARY (a) The letter I was made using 9 atoms of the same element. Calculate the number of moles, of atoms in the letter I in the picture above.

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.