Name
Class:
Chemistry
Homework 2 – Worksheet 2
Section 5.1
Date: Nov. 27th. 2016
Done by: Mr. Imad Darwiche
Quarter 2
Q1. In the space below, write the electron configuration of the following elements:
1. Barium
………………………………………………………………………………
2. Selenium
………………………………………………………………………………
3. Platinum
………………………………………………………………………………
4. Germanium
………………………………………………………………………………
Q2. Determine what elements are denoted by the following electron configurations:
5. 1s22s22p63s23p2
…………………………
6. 1s22s22p63s23p64s23d8
…………………………
7. 1s22s22p63s23p64s23d104p65s1
…………………………
8. 1s22s22p63s23p64s23d104p65s24d105p66s24f145d7 …………………………
9. 1s22s22p63s23p64s23d104p65s24d2
…………………………
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