MCQ
The atomic radius of hydrogen is in nanometers:
  • A
    $37\ nm$
  • B
    $0.37\ nm$
  • $0.037\ nm$
  • D
    $0.0037\ nm$

Answer

Correct option: C.
$0.037\ nm$
 
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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