Problem: If 2.01 x 1023 atoms of an element from Group IA on the periodic table has a mass of 7.675 grams, this element is most likely...

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Determine the molar mass/atomic mass of the atom by calculating the moles from the number of atoms given then divide this by the mass. Using the molar mass calculated, find the element in the periodic table

Step 1. Find the moles of 2.01x1023 atoms using Avogadro's number

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If 2.01 x 1023 atoms of an element from Group IA on the periodic table has a mass of 7.675 grams, this element is most likely...