IGCSE O Level Chemistry Online Tests
Proton and Nucleon Number MCQ (Multiple Choice Questions) PDF Download
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The MCQ: If the nucleon (mass) and proton (atomic) number is 40 and 20 respectively, the element is; "Proton and Nucleon Number" App Download (Free) with answers: Chlorine; Phosphorus; Potassium; Calcium; to study online schools courses. Practice Proton and Nucleon Number Quiz Questions, download Apple eBook (Free Sample) for GRE test.
Proton and Nucleon Number MCQs: Questions and Answers PDF Download
Purpose of a mass spectrometer is to determine the
- charge of a particle
- particles
- mass of an atom
- data for data loggers
If the nucleon (mass) and proton (atomic) number is 40 and 20 respectively, the element is
- chlorine
- phosphorus
- potassium
- calcium
If the number of protons and electrons are 8 respectively, the valence electrons are
- 2 in number
- 4 in number
- 6 in number
- 8 in number
Number of protons in sodium is 11. the number of electrons in the outermost shell will be
- 1
- 2
- 3
- 8
In an atom, the number of protons and neutrons are added to obtain
- number of electrons
- number of nucleons
- atomic number of element
- number of positrons
IGCSE O Level Chemistry Practice Tests
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