Chemistry · Some Basic Concepts of Chemistry

Given below are two statements: Statement I: One atomic mass unit (\( 1\text{ amu} \)) is defined as a mass exactly equal to one-twelfth of the mass of one carbon-12 atom. Statement II: In modern IUPAC terminology, 'amu' has been completely replaced by 'u', which is known as unified mass. In the light of the above statements, choose the most appropriate answer from the options given below:

1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.