Valency Quiz 5 (30 MCQs)

Quiz Instructions

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1. The formula of iron(II) hydroxide is
2. Magnesium
3. Calculate the valency of nitrogen in NH3.
4. Which of the following is a p block element?
5. The smallest particle of a substance is .....
6. What is the chemical formula of sodium sulfate?
7. Molecules are closest together in a
8. What are the elements known as the 'superheroes' of the periodic table with a valency of 8?
9. A molecule of a compound is electrically .....
10. What is the atomic number of carbon?
11. How many valence electrons are found in atoms of group 14?
12. What is the valency of Chlorine (Cl)?
13. Oxide ion
14. When an atom gains a valence electron, it becomes a(n) ..... ion.
15. What is the valency of Gold in its auric form?
16. The President declared Monday a holiday.
17. Chemical Formula used for Aluminium oxide is
18. Oxide ion has a valency of
19. Which element or radical is not divalent
20. What is the valency of nitrogen?
21. An element has 5 valance electrons. What is it's valency?
22. The compound represented by formula is Ba(NO$_{2}$)$_{2}$
23. Which of the following is a correct description for solids?
24. Ammonium ion
25. HCO
26. Both politicians considered the outcome a win.
27. What are the constituent elements of ammonium chloride?
28. These contain only one kind of atom.
29. Valency of "Argon"
30. Which one is the role of an argument that, without any action, affects another identity?