to see how big it is in picometers compared to an unseen atom to the naked eye.
The atomic radius of calcium is about 197 picometers (pm).
Neodymium (Nd) has an atomic radius of 181 picometers.
The element nickel (Ni) has an atomic radius of 124 picometers.
Gallium has an atomic radius of 135 picometers.
The atomic radius of oxygen is about 60 picometers. Therefore, atoms of elements such as hydrogen (25 picometers) and helium (31 picometers) have smaller atomic radii than oxygen.
The atomic radius of calcium is about 197 picometers (pm).
Neodymium (Nd) has an atomic radius of 181 picometers.
The covalent radius of argon is 106 +/- 10 picometers.
The atomic radius of silver (Ag) is approximately 144 picometers (pm).
The element nickel (Ni) has an atomic radius of 124 picometers.
Gallium has an atomic radius of 135 picometers.
A nanometer is one billionth of a meter and a picometer is on trillionth of a meter. So there are 1000 picometers in a nanometer. The aluminum atom therefore has a radius of 143 pm.
Gold has an atomic radius of 144 picometers.
Bismuth has an atomic radius of 156 picometers.
187 picometers.
170 picometers.
177 picometers.