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Prequiz Chem


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Prequiz Chem

  1. 1. What do you know about atoms and bonding?
  2. 2. How many valence electrons are there in an atom of phosphorus ?
  3. 3. How many valence electrons are there in an atom of magnesium ?
  4. 4. What is the electron configuration of the iodide ion (I 1- )?
  5. 5. What is the electron configuration of the calcium ion ?
  6. 6. How many electrons does boron need to give up to achieve a noble-gas electron configuration?
  7. 7. What is the charge of a particle which contains 9 protons and 10 electrons?
  8. 8. The octet rule states that, in chemical compounds, atoms tend to have _______.
  9. 9. Which of the following ions has a pseudo-noble-gas configuration? Cu 1+ or Fe 2+
  10. 10. Does sulfur form an anion or cation when it combines with a metal?
  11. 11. What is the name of the ionic compound formed from strontium and phosphorus ?
  12. 12. What is the formula for sodium sulfate?
  13. 13. What occurs in an ionic bond?
  14. 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. 15. What is the basis of a metallic bond?
  16. 16. What is an alkane
  17. 17. Define a hydrocarbon
  18. 18. Write a balanced equation for the complete combustion of ethane and another for pentane
  19. 19. What is a covalent bond?
  20. 20. What type of bonding does water exhibit?
  21. 21. Draw a Lewis dot diagram of ammonia, NH 3
  22. 22. What is a lattice?
  23. 23. What are the properties of diamond?