Name: Hour: TEST REVIEW Unit 1: Atomic Structure and...
Transcript of Name: Hour: TEST REVIEW Unit 1: Atomic Structure and...
Name: ____________________ Hour: __________
TEST REVIEW Unit 1: Atomic Structure and the Periodic Table
1. Which pair would be considered the same element? Explain why.
X23892 X238
91 X23592 X235
90
2. Determine the number of protons, neutrons, and electrons for O158 .
3. Determine the number of protons, neutrons, and electrons for Ca4020
+2.
4. How many orbitals do the following contain:
a. 3p subshell: ______ b. 2s subshell: _____ c. 4f subshell: _____
5. How many electrons can the subshells listed in question 4 hold? a. 3p subshell: ______ b. 2s subshell: _____ c. 4f subshell: _____
6. [Ne]3s23p2 is the electron configuration of what element? _______________________________ 7. Identify the family that each of the following elements belong to.
a. bromine: _________________ b. calcium: _________________ c. argon: ____________________ d. lithium: ___________________ e. silver: ____________________
8. List three metals, three metalloids, and three nonmetals: 9. Which of the following elements has the largest atomic radius: Ar, Ca, Cs? Explain why.
10. Which of the following elements would be the most difficult to remove an electron from: Al, K, O? Explain why.
11. Draw the five models of the atom and explain what each tells us about the structure of the atom.
12. Describe Rutherford’s gold foil experiment and the information he learned about the atom from this experiment.
13. Circle the elements below that would be considered isotopes of one another.
1841X 20
40X 1840X 18
39X
14. Which element has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d6 ______________________
15. Write the shorthand electron configuration for strontium: ________________________________
16. Fill in the orbital notation below, then write the four quantum numbers which describe the location of the highest energy (last) electron of the following elements:
Element 1s 2s 2p 3s 3p 4s 3d Quantum Numbers
a. Mg
b. Fe
c. Ne
d. K
17. What is the Aufbau principle? 18. What is the Pauli exclusion principle? 19. What is Hund’s rule? 20. Identify the element whose highest energy electron would have the following four quantum
numbers: a. (3, 2, ‐2, +1/2) _______________________________________ b. (5, 0, 0, +1/2) _______________________________________
c. (4, 3, 0, ‐1/2) _______________________________________
Textbook references Structure of the Atom: Sections 2.2 and 2.3 Electron Configurations and Quantum Numbers: Sections 6.3, 6.5‐6.9