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3 hours and 15 min
1 hour and 45 minutes.
4 hours and 20 minutes.
5 pm of later generally
It is 212 minutes.
8 and 1/2
1:22pm.
Look for the highest numbered atom in the group: radium. Also barium has an empirical radius similar to the radius of radium: 215 pm.
405 minutes.
61/2 + 24n hours where n is an integer.
4:29 pm in Spanish is: Son las cuatro veintinueve de la tarde.
The elements are barium and radium - atomic radius 215 pm.