# Find the Mass of a Single Atom H

To calculate the mass of a single atom, first look up the atomic mass of from the periodic table. This is also the mass in grams of 1 mole of .

Use Avogadro's number to find the mass of a single atom.

Divide using scientific notation.

Group coefficients together and exponents together to divide numbers in scientific notation.

Divide by .

Move to the numerator using the negative exponent rule .

Write in proper scientific notation.

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