1. How many electron shells do the elements in the second period have?

Question 1 of 22

2. How many electron shells do the elements in the third period have?

Question 2 of 22

3. Describe the structure of an ionic compound, e.g NaCl

Question 3 of 22

4. Explain, in terms of structure and bonding, why sodium chloride has a very high melting point

Question 4 of 22

5. Why do elements in the same group of the periodic table have similar chemical properties?

Question 5 of 22

6. On the Periodic Table what is the meaning of the word Period? What does that tell us about the electron configuration of the atom?

Question 6 of 22

7. What is the formula for calcium nitride?

Question 7 of 22

8. State the fomula for the two ions in vanadium (V) oxide

Question 8 of 22

9. What are the elements in group 0 called?

Question 9 of 22

10. State the formula of the hydrogen ion

Question 10 of 22

11.

Explain, in terms of the arrangement of electrons in its atoms, why neon is very unreactive

Question 11 of 22

12. What holds ions together?

Question 12 of 22

13. Balance the equation for the reaction: ___ HCl(aq) + ___ MnO₂(s) → ___MnCl₂(aq) + ___H₂O(l) + ___ Cl₂(g)

Question 13 of 22

14. On the Periodic table what is the meaning of the word Group? What does that tell us about the electron configuration of the atom?

Question 14 of 22

15. How many electrons in an argon ion?

Question 15 of 22

16. When are ions attracted to each other?

Question 16 of 22

17. Explain, in terms of electrons, why isotopes have the same chemical properties

Question 17 of 22

18. How can atoms get a full outer shell?

Question 18 of 22

19. What is the formula for silver nitrate?

Question 19 of 22

20. What is the formula of the oxide ion?

Question 20 of 22

21. What do each of the following state symbols represent: (s), (l), (g), (aq)

Question 21 of 22

22. State the formula of the zinc ion

Question 22 of 22


 

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