Valency Quiz 13 (25 MCQs)

Quiz Instructions

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1. What is the maximum amount of electrons present in the outermost shell?
2. Bromide ion
3. Which of the following does not have 8 valence electrons?
4. I am chlorine. I have 17 electrons. I am
5. What is the formula of magnesium oxide?
6. What does the term duplet mean?
7. H$_{3}$PO$_{4}$ is
8. Which of the following is a monovalent cation?
9. Which subatomic particle has a neutral or no charge?
10. The chemical symbol for Potassium is
11. What is the name of an ionic compound formed from Calcium and Oxygen?
12. How does valency affect chemical bonding?
13. What is the symbol for Sodium
14. Which is the correct formula for:one carbon (C)two oxygen (O)
15. What is the atomic number of chlorine?
16. She became a teacher.
17. Which elements has negative divalent elements
18. The valency of carbon is
19. The correct symbol for copper is .....
20. Which of the following elements have a valency of 6?
21. My parents bought a new dress for me.
22. How do you find an element's valency?
23. How many atoms are there in the compound MgCO$_{3}$?
24. To find the number of valence electrons in an atom of a representative element, simply look at its ..... number.
25. Bicarbonate valency is