Bohr Models and Isotopes

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How many orbits does the Bohr model for phosphorus (P) have?

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How many electrons does the Bohr model for phosphorus (P) have?

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In the Bohr model for phosphorus (P), how many electrons does the first orbit have?

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In the Bohr model for phosphorus (P), how many electrons does the second orbit have?

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In the Bohr model for phosphorus (P), how many electrons does the third orbit have?

​Draw the Bohr model for phosphorus

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In the Bohr model for phosphorus (P), how many electrons in the valence shell are UNPAIRED?

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Round to three decimal places... Like 1.234

Element Y has two isotopes.

Z-38 has an abundance of 46.2%

Z-40 has an abundance of 53.8%

What is the average atomic mass?