Question

Atomic mass unit is: a) mass unit equal to excatly 1/12 mass of one atom of C-12. b) formula unit equal to excatly 1/12 mass of one atom of C atom. c) mass unit equal to mass of one atom of C-12. d) None of these Choose the correct answer. Only relevant answers please... Class 9 ch 3 Chemistry, Science, Atoms and molecules

Answer 1

Explanation:

correct answer will be a) mass unit equal to exactly 1/12th mass of one atom of C - 12

Answer 2

Answer:

a) mass unit equal to excatly 1/12 mass of one atom of C-12.