Valency Quiz 6 (25 MCQs)

Quiz Instructions

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1. What is the chemical formula of sodium sulfate?
2. Molecules are closest together in a
3. What are the elements known as the 'superheroes' of the periodic table with a valency of 8?
4. A molecule of a compound is electrically .....
5. What is the atomic number of carbon?
6. How many valence electrons are found in atoms of group 14?
7. What is the valency of Chlorine (Cl)?
8. Oxide ion
9. When an atom gains a valence electron, it becomes a(n) ..... ion.
10. What is the valency of Gold in its auric form?
11. The President declared Monday a holiday.
12. Chemical Formula used for Aluminium oxide is
13. Oxide ion has a valency of
14. Which element or radical is not divalent
15. What is the valency of nitrogen?
16. An element has 5 valance electrons. What is it's valency?
17. The compound represented by formula is Ba(NO$_{2}$)$_{2}$
18. Which of the following is a correct description for solids?
19. Ammonium ion
20. HCO
21. Both politicians considered the outcome a win.
22. What are the constituent elements of ammonium chloride?
23. These contain only one kind of atom.
24. Valency of "Argon"
25. Which one is the role of an argument that, without any action, affects another identity?