IGCSE GCSE Certification Courses

O Level Chemistry Quizzes

O Level Chemistry Quiz Answers - Complete

Atoms and Elements Interview Questions with Answers PDF p. 123

Atoms and Elements interview questions and answers, atoms and elements trivia questions PDF 123 to practice O Level Chemistry exam questions for online classes. Practice Elements, Compounds and Mixtures MCQ questions, atoms and elements Multiple Choice Questions (MCQ) for online college degrees. Atoms and Elements Interview Questions PDF: gce o level chemistry, dry cells, amphoteric oxides, proton and nucleon number, atoms and elements test prep for online colleges for teaching.

"Main elements of living things do not include" MCQ PDF with choices phosphorus, nitrogen, sodium, and calcium for schools that offer online degrees. Learn elements, compounds and mixtures questions and answers to improve problem solving skills for two year degree programs.

Trivia Quiz on Atoms & Elements MCQs

MCQ: Main elements of living things do not include

nitrogen
Phosphorus
Sodium
Calcium

MCQ: The number of electrons in calcium is 20. outermost shall have as many as

no electrons
1 electron
2 electrons
more than 2 electrons

MCQ: Which statement is correct about amphoteric oxides?

they are only acidic oxides only
they are only basic oxides only
they are neutral oxides
they are both acidic and basic oxides

MCQ: Selective charges occur for the

ions which require least energy to be discharged
ions which require most energy to be discharged
elements of group VII
metal chlorides

MCQ: Sulfite ion can be written symbolically as

SO4−2
SO3−2
SO4−3
S−2