Which of these is the correct atomic number of the chemical element Radon?
- 85
- 87
- 88
- 86
Answer
The correct answer is D) 86.
More Science & Technology questions
- What was the star at the center of the Solar System called by the Romans?
- Which of these is the surface temperature of the Sun?
- Which of these parts of the Sun is the warmest?
- The Sun has how many times the diameter of the Earth?
- Which of the listed NASA probes made the closest approach to the Sun?
- How many Earth masses is the Sun?