atomic mass

mcqspedia.com has 5 Question/Answers about Topic atomic mass

In Na2CO3, relative atomic mass of sodium is

In Na2CO3, relative atomic mass of sodium is
  • A. 23
  • B. 46
  • C. 48
  • D. 58
  • Correct Answer: Option B

Relative atomic mass of 3O3 is

Relative atomic mass of 3O3 is
  • A. 48
  • B. 140
  • C. 180
  • D. 320
  • Correct Answer: Option C

If atomic mass of copper is 63.546, mass percent of copper in Cu2O will be

If atomic mass of copper is 63.546, mass percent of copper in Cu2O will be
  • A. 0.7898
  • B. 0.8098
  • C. 0.8882
  • D. 0.8678
  • Correct Answer: Option C

In Na2CO3, relative atomic mass of Carbon is

In Na2CO3, relative atomic mass of Carbon is
  • A. 12
  • B. 24
  • C. 36
  • D. 48
  • Correct Answer: Option A

Chlorine’s (Cl) relative atomic mass is 35.5. this half number is due to

Chlorine’s (Cl) relative atomic mass is 35.5. this half number is due to
  • A. isotopes
  • B. a half proton
  • C. a half neutron
  • D. a half electron
  • Correct Answer: Option A