Proton and Nucleon Number Quizzes Online MCQs PDF Download eBook - 20
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Proton & Nucleon Number Questions and Answers PDF Download eBook
MCQ: 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
MCQ: The chemical formula of Caustic soda is
MCQ: The difficulty of discharge is lowest in
- Chloride ions
- Bromide ions
- hydroxide ions
- sulphate ions
MCQ: The substance is treated both as a radical and an element. It is
MCQ: What is true about oxidizing agents?
- they are mostly non-metals
- they are mostly metals
- their oxidation state decreases
- they are mostly transition metals