Valency Quiz 5 (30 MCQs)

Quiz Instructions

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1. When an atom gains a valence electron, it becomes a(n) ..... ion.
2. What is the valency of Gold in its auric form?
3. The President declared Monday a holiday.
4. Chemical Formula used for Aluminium oxide is
5. Oxide ion has a valency of
6. Which element or radical is not divalent
7. What is the valency of nitrogen?
8. An element has 5 valance electrons. What is it's valency?
9. The compound represented by formula is Ba(NO$_{2}$)$_{2}$
10. Which of the following is a correct description for solids?
11. Both politicians considered the outcome a win.
12. What are the constituent elements of ammonium chloride?
13. These contain only one kind of atom.
14. Valency of "Argon"
15. Which one is the role of an argument that, without any action, affects another identity?
16. Formula of "Hydrochloric Acid"
17. A valence electron is what?
18. Valency of carbon is
19. The formula of ammonium ion is
20. Name the following compound.KOH
21. Balance this equation ..... N$_{2 }$+ ..... H$_{2 }$$\rightarrow$ ..... NH$_{3}$
22. In H2CO3 valency of CO3 is 2.
23. How do you calculate the valency of an element?
24. The motion energy of particles is called .....
25. What is the valency of Potassium?
26. Pb is the chemical symbol for
27. Which of the following is a trivalent element?
28. What is the formula for Magnesium Fluoride?
29. What is the molecular formula of aluminium oxide?
30. How many valence electrons do the elements in the Noble Gases group have?