Find size difference between 165Ho & 140Ce.
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Given:
¹⁶⁵Ho and ¹⁴⁰Ce atoms.
To Find:
The size difference between the given atoms.
Calculation:
- The atomic radius of Holmium (¹⁶⁵Ho) atom = 176 pm
- The atomic radius of Cerium (¹⁴⁰Ce) atom = 181.8 pm
- The difference between the size of ¹⁶⁵Ho and ¹⁴⁰Ce atoms = 181.8 - 176
⇒ The difference between the size of ¹⁶⁵Ho and ¹⁴⁰Ce atoms = 5.8 pm
- Hence, ¹⁶⁵Ho is greater in size than ¹⁴⁰Ce atom by 5.8 pm.
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