IGCSE O Level Chemistry Online Tests
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The MCQ: In Na2CO3, the relative atomic mass of Carbon is; "Atomic Mass" App Download (Free) with answers: 12; 24; 36; 48; to study online schools courses. Practice Atomic Mass Quiz Questions, download Apple eBook (Free Sample) for GRE test.
Atomic Mass MCQs: Questions and Answers PDF Download
Chlorine's (Cl) relative atomic mass is 35.5. this half number is due to
- isotopes
- a half proton
- a half neutron
- a half electron
In Na2CO3, the relative atomic mass of Carbon is
- 12
- 24
- 36
- 48
If the atomic mass of copper is 63.546, the mass percent of copper in Cu2O will be
- 0.7898
- 0.8098
- 0.8882
- 0.8678
Relative atomic mass of 3O3 is
- 48
- 140
- 180
- 320
In Na2CO3, the relative atomic mass of sodium is
- 23
- 46
- 48
- 58
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