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Questions and Answers
Which of the following is a noble gas?
Which of the following is a noble gas?
- Chlorine
- Oxygen
- Helium (correct)
- Nitrogen
What is the atomic number of carbon?
What is the atomic number of carbon?
- 14
- 6 (correct)
- 12
- 8
What is the chemical symbol for gold?
What is the chemical symbol for gold?
- Ag
- Al
- Au (correct)
- Fe
