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1. |
How many atoms are present in one gm-atom of an element? |
A. | 2 x 10²³ |
B. | 6 x 10²³ |
C. | 6 x 10³² |
D. | 5 x 10? |
E. | 5 x 10⁵ |
Answer» C. 6 x 10¬¨‚╬¨‚â§ | |