NEETChemistryd and f Block Elements
What effect does the decrease in metallic radius coupled with the increase in atomic mass have on the density of these elements?
Options
- AIt decreases the density.
- BIt has no effect on density.
- CIt increases the density.
- DIt varies unpredictably.
Correct answer
C. It increases the density.
Step-by-step solution
The decrease in metallic radius coupled with the increase in atomic mass results in a general increase in the density of these elements.