MCQ
The atomic radius of hydrogen is in nanometers:
- A$37\ nm$
- B$0.37\ nm$
- ✓$0.037\ nm$
- D$0.0037\ nm$
| Element | Symbol | Atomic number | Atomic radius in nanometers |
| Hydrogen | $H$ | $1$ | $0.037$ |
| Helium | $He$ | $2$ | $0.05$ |
| Lithium | $Li$ | $3$ | $0.152$ |
| Beryllium | $Be$ | $4$ | $0.111$ |
| Boron | $B$ | $5$ | $0.088$ |
| Carbon | $C$ | $6$ | $0.077$ |
| Nitrogen | $N$ | $7$ | $0.070$ |
| Oxygen | $O$ | $8$ | $0.066$ |
| Fluorine | $F$ | $9$ | $0.064$ |
| Neon | $Ne$ | $10$ | $0.070$ |
| Sodium | $Na$ | $11$ | $0.186$ |
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