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Atomic Structure: Warm up
1. The atomic number of an element equals the number of ______________ in its atoms.
2. Label the atomic number, chemical symbol, and the atomic mass:
3. What is the atomic number of oxygen? ________________________
4. What is the atomic mass of oxygen? ___________________________
5. In one neutral atom of oxygen, there are _____ protons, _____ neutrons, and
_____electrons.
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