Wednesday, September 30, 2009

OLD PRACTICE QUIZ FOR THURSDAY

Chapter 3 Quiz Name ______________________

___1. If a potassium atom has 17 protons and 17 neutrons, then we can say that it is a(n) A. Isotope
B. Ion C. Atom D. None of the above

___2. An atom of magnesium with 14 neutrons is an example of a(n)
A. Isotope B. Ion C. mixture D. None of the above

___3. If oxygen has 10 electrons we call it an A) ion B) isotope C) immature idiot D) icy

___4. What can you say about the number of electrons in an atom of sodium? It has A. 11 electrons B. 11.98977 electrons C 22.98977 electrons D. Cannot be determined from the given information

___5. What can you say about an ion of Cl1-? It has A. Lost 1 proton B. Lost 1 electron C. Lost 1 neutron D. Gained 1 neutron E. Gained one electron


A. Proton _____6. Has MORE or LESS neutrons than normal

B. Electron _____7. Gain or loss of these causes ions

C. Neutron _____ 8. Has either gained or lost electrons

D. Ion _________9. Determines mass number (TWO ANSWERS)

E. Isotope _____10. Determines atomic number

F. Atom _____11. Has no charge


12. How many protons, neutrons, and electrons are found in Cu + 1 ______ p _______ n _______ e


13. How many protons and neutrons are found in an atom of oxygen ? _______ p ________ n


14. I have 3 protons and 3 neutrons and 2 electrons who am I?
A) an atom of Li that is charged + 1 B) an isotope of lithium that might be radioactive and is + 1
C) a +1 ion of lithium that is not a radio-isotope D) a humorous element that acts funny

15. You have just discovered a new element and named it Colinsanerdium. You found that 90% of the atoms weigh 56 amu and the rest weigh 58. Calculate the elements average atomic mass.


__________________

16. The most common form of aluminum has 13 protons and 14 neutrons.
Predict the number of neutrons in the most common isotope. ___________

Chapter 3 Quiz Name ______________________

___1. If a potassium atom has 17 protons and 17 electrons, then we can say that it is a(n) A. Isotope
B. Ion C. Atom D. None of the above

___2. An atom of magnesium with 14 electrons is an example of a(n)
A. Isotope B. Ion C. mixture D. None of the above

___3. If oxygen has 10 neutrons we call it an A) ion B) isotope C) immature idiot D) icy

___4. What can you say about the number of electrons in an atom of sodium? It has A. 11 electrons B. 11.98977 electrons C 22.98977 electrons D. Cannot be determined from the given information

___5. What can you say about an ion of Cl1-? It has A. Lost 1 proton B. Lost 1 electron C. Lost 1 neutron D. Gained 1 neutron E. Gained one electron


A. Proton _____6. Has MORE or LESS neutrons than normal

B. Electron _____7. Has no charge

C. Neutron _____ 8. Determines atomic number

D. Ion _________9. Determines mass number (TWO ANSWERS)

E. Isotope _____10. Has either gained or lost electrons

F. Atom _____11. Gain or loss of these causes ions


12. How many protons, neutrons, and electrons are found in Cu + 2 ______ p _______ n _______ e


13. How many protons and neutrons are found in an atom of nitrogen ? _______ p ________ n


14. I have 3 protons and 4 neutrons and 2 electrons who am I?
A) an atom of Li that is charged + 1 B) an isotope of lithium that might be radioactive and is + 1
C) a +1 ion of lithium that is not a radio-isotope D) a humorous element that acts funny

15. You have just discovered a new element and named it Colinsanerdium. You found that 70% of the atoms weigh 56 amu and the rest weigh 58. Calculate the elements average atomic mass.


__________________

16. The most common form of aluminum has 13 protons and 14 neutrons.
Predict the number of neutrons in the most common isotope. ___________


Chapter 3 Quiz Name ______________________

___1. If a potassium atom has 17 protons and 17 electrons, then we can say that it is a(n) A. Isotope
B. Ion C. Atom D. None of the above

___2. An atom of magnesium with 14 electrons is an example of a(n)
A. Isotope B. Ion C. mixture D. None of the above

___3. If oxygen has 10 neutrons we call it an A) ion B) isotope C) immature idiot D) icy

___4. What can you say about the number of electrons in an atom of sodium? It has A. 11 electrons B. 11.98977 electrons C 22.98977 electrons D. Cannot be determined from the given information

___5. What can you say about an ion of Cl1-? It has A. Lost 1 proton B. Lost 1 electron C. Lost 1 neutron D. Gained 1 neutron E. Gained one electron


A. Proton _____6. Has MORE or LESS neutrons than normal

B. Electron _____7. Has no charge

C. Neutron _____ 8. Determines atomic number

D. Ion _________9. Determines mass number (TWO ANSWERS)

E. Isotope _____10. Has either gained or lost electrons

F. Atom _____11. Gain or loss of these causes ions


12. How many protons, neutrons, and electrons are found in Cu + 2 ______ p _______ n _______ e


13. How many protons and neutrons are found in an atom of nitrogen ? _______ p ________ n


14. I have 3 protons and 4 neutrons and 2 electrons who am I?
A) an atom of Li that is charged + 1 B) an isotope of lithium that might be radioactive and is + 1
C) a +1 ion of lithium that is not a radio-isotope D) a humorous element that acts funny

15. You have just discovered a new element and named it Colinsanerdium. You found that 70% of the atoms weigh 56 amu and the rest weigh 58. Calculate the elements average atomic mass.


__________________

16. The most common form of aluminum has 13 protons and 14 neutrons.
Predict the number of neutrons in the most common isotope. ___________

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