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Oxygen-18 is a naturally-occuring, stable isotope and is commonly used is scientific studies as a tracer. Using the periodic table, predict the number of electrons, neutrons, and protons in oxygen-18.

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Eduard22sly

Answer:

1. Proton number = 8

2. Electron number = 8

3. Neutron = 10

Explanation:

Mass number = 18

Proton = 8(isotope still retain their atomic number)

Electron = proton = 8( since it is a neutral atom)

Neutron number =?

Neutron = Mass number - proton

Neutron number = 18 - 8 = 10

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