Question

4. One a.m.u.stands for
O A) an atom of carbon (C+2)
B) 1/12th of a carbon atom(C+2)
O 1
C) 1/12th of a H-atom
O )
D) 1 atom of all atoms​

Answer 1

Answer:

An atomic mass unit is defined as a mass equal to one twelfth the mass of an atom of carbon-12. The mass of any isotope of any element is expressed in relation to the carbon-12 standard. For example, one atom of helium-4 has a mass of 4.0026 amu. An atom of sulfur-32 has a mass of 31.972 amu.