The document contains a series of questions about atomic structure, bonding, and chemical compounds including: the number of valence electrons in phosphorus and magnesium atoms; electron configurations of ions such as iodide and calcium; how many electrons boron needs to achieve a noble gas configuration; the charge of a particle with 9 protons and 10 electrons; the octet rule; whether sulfur forms an anion or cation; the name of the strontium and phosphorus ionic compound; the formula for sodium sulfate; what occurs in an ionic bond; which pair of elements is most likely to form an ionic compound; the basis of a metallic bond; definitions of alkane and hydrocarbon; balanced equations for combustion of ethane and pent

1. What do you know about atoms and bonding?

2. How many valence electrons are there in an atom of phosphorus ?

3. How many valence electrons are there in an atom of magnesium ?

4. What is the electron configuration of the iodide ion (I 1- )?

5. What is the electron configuration of the calcium ion ?

6. How many electrons does boron need to give up to achieve a noble-gas electron configuration?

7. What is the charge of a particle which contains 9 protons and 10 electrons?

8. The octet rule states that, in chemical compounds, atoms tend to have _______.

9. Which of the following ions has a pseudo-noble-gas configuration? Cu 1+ or Fe 2+

10. Does sulfur form an anion or cation when it combines with a metal?

11. What is the name of the ionic compound formed from strontium and phosphorus ?

12. What is the formula for sodium sulfate?

13. What occurs in an ionic bond?

14. Which of the pairs of elements is most likely to form an ionic compound: a) sodium and aluminum, or b) magnesium and fluorine

15. What is the basis of a metallic bond?

16. What is an alkane

17. Define a hydrocarbon

18. Write a balanced equation for the complete combustion of ethane and another for pentane

19. What is a covalent bond?

20. What type of bonding does water exhibit?

21. Draw a Lewis dot diagram of ammonia, NH 3

22. What is a lattice?

23. What are the properties of diamond?