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Atoms! Marissa S. Chemistry Summer 2011

Things to Know:

Things to Know

Fill in the Chart:

Fill in the Chart Element Name Symbol Atomic Number Atomic Mass Mass Number Number of Protons Number of Neutrons Number of Electrons Rubidium-39 Rb-39 37 85.4678 39 37 2 37 37 Rb 85.4678 Rubidium The element shown is an isotope, meaning it has a different number of neutrons than the original element.

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