An element has only 2 isotopes. One isotope has a natural abundance of 36% and mass of 210.55 amu. The other isotope has a mass of 246.09 amu. What is the atomic mass? Make sure your answer contains two decimal places. (That means to round it to the hundredths place.) Your Answer: Answer units

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.