CBSE Class 12-science Answered
find the number of electrons present in an 8g gold pin. given - molar mass of gold = 197g/mol , electrons per atom in gold = 79 and avogadro's number = 6.023*10 23 g-1 mol-1.
Asked by malhanmuskan2003 | 24 Jun, 2020, 14:12: PM
![N u m b e r space o f space m o l e s space o f space g o l d space i n space 8 g
equals 8 over 197
N o space o f space a t o m s space o f space g o l d space p r e s e n t space i n space 8 g space
equals 8 over 197 cross times 6.02 cross times 10 to the power of 23
N o w space 1 space a t o m space o f space g o l d space h a s space 79 space e l e c t r o n s
T h e r e f o r e space 8 over 197 cross times 6.02 cross times 10 to the power of 23 space a t o m s space space h a s space
equals 8 over 197 cross times 6.02 cross times 10 to the power of 23 cross times 79 space e l e c t r o n s.
equals 1.93 cross times 10 to the power of 24 e l e c t r o n s](https://images.topperlearning.com/topper/tinymce/cache/b06ba4f345db6e43c25b846b3d82607c.png)
Answered by Utkarsh Lokhande | 24 Jun, 2020, 14:38: PM
Concept Videos
CBSE 12-science - Physics
Asked by jothisugashini216 | 16 Jul, 2024, 20:30: PM
CBSE 12-science - Physics
Asked by prithviraj.chopra2011 | 14 Jul, 2024, 23:00: PM
CBSE 12-science - Physics
Asked by basithhhabduuu | 14 Jul, 2024, 17:07: PM
CBSE 12-science - Physics
Asked by asmaabid356 | 10 Jul, 2024, 21:03: PM
CBSE 12-science - Physics
Asked by pushpamagadum21 | 09 Jul, 2024, 20:43: PM
CBSE 12-science - Physics
Asked by sumitghorband09 | 20 Jun, 2024, 21:42: PM
CBSE 12-science - Physics
Asked by axonuploadserver4 | 14 Jun, 2024, 17:41: PM
CBSE 12-science - Physics
Asked by trishaktiprasadmallik693 | 11 Jun, 2024, 07:17: AM
CBSE 12-science - Physics
Asked by rahuldevgayen4 | 10 Jun, 2024, 14:58: PM