Podcast
Questions and Answers
Which element is a noble gas?
Which element is a noble gas?
- Sodium
- Carbon
- Helium (correct)
- Oxygen
What is the atomic number of carbon?
What is the atomic number of carbon?
- 14
- 12
- 6 (correct)
- 18
Which element is a halogen?
Which element is a halogen?
- Fluorine (correct)
- Calcium
- Potassium
- Lithium