What is 1 Dalton?
A. a unified mass unit, 1.360539040(20)×10−27kg
B. a unified mass unit, 1.640539040(20)×10−27kg
C. a unified mass unit, 1.660539040(20)×10−27kg
D. a unified mass unit, 1.660539040(20)×10−27kg
Answer:A
What is 1 Dalton?
A. a unified mass unit, 1.360539040(20)×10−27kg B. a unified mass unit, 1.640539040(20)×10−27kg C. a unified mass unit, 1.660539040(20)×10−27kg D. a unified mass unit, 1.660539040(20)×10−27kg