NEET Class neet Answered
What is actual mass
Asked by | 29 Jul, 2022, 09:42: PM
Expert Answer
Dear Student,
|
Atomic Mass |
Actual Mass |
|
1. It is a relative number and has no unit. |
1. The unit is grams. |
|
2. It indicates the number of times an atom of an element is heavier than 1/12th part of a C12 isotope. For example, Atomic mass of oxygen is 16 means an atom of oxygen is 16 times heavier than 1/12th of C12. |
2. It indicates the actual mass of an atom of the element. For example, Mass of an oxygen atom is, 16 × 1/ (6.023×1023) = 2.656×10−23 grams |
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