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Questions and Answers
What is the chemical symbol for iron?
What is the chemical symbol for iron?
- Io
- In
- Ir
- Fe (correct)
What is the atomic number of carbon?
What is the atomic number of carbon?
- 7
- 6 (correct)
- 8
- 9
Which subatomic particle has a negative charge?
Which subatomic particle has a negative charge?
- Electron (correct)
- Proton
- Neutron
- Positron
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