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Mateja Maričić

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Atomic number (proton number)

1. The proton number of manganese is 25. Determine the number of protons and electrons in one atom of manganese . 2. Determine the proton number of oxygen.

7th Grade, Science
2 teachers like this
Compatible with: Chromebooks, computers, iPads, iPhones, Android tablets, Android phones, Kindle Fire

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