(Question)
Q: How many valence electrons does helium have? Choices: - Five - six - three - two A:
(Answer)
two

(Question)
Q: In plants and algae where does photosynthesis takes place in? Choices: - cell wall - nucleus - cytoplasm - chloroplasts A:
(Answer)
chloroplasts

(Question)
Q: What is the electrode at which reduction occurs called? Choices: - reducthode - anode - cathine - cathode A:
(Answer)
cathode