UNIVERSIDAD DE MANILA
COLLEGE OF EDUCATION
ANALYTICAL CHEMISTRY (GS31)
Name: __________________________________________
Course & Yr.:_____________________
Time/Schedule:_____________
Prof:_____________________
ASSIGNMENT NO 1: ELECTRON CONFIGURATION
Directions: Answer the following questions.
1.
What is electron probability?
2.
What did Max Planck say about energy?
3.
What did deBroglie say about matter?
4.
What is wave-particle duality?
5.
Why does the electron change when we measure it?
6.
What did Max Born develop from Schrödinger’s wave equations?
7.
According to the Wave-Mechanical model of the atom what is the shape of the combination of all electron orbits?
8.
What does the Wave-Mechanical model say about the nucleus?
9.
What property is represented by each of the four quantum numbers?
10.
According to wave-particle duality humans have a wavelength. Why is that wavelength undetectable?
11.
What is an orbital?
12.
How many electrons fit in an orbital?
13.
What are the shapes of the four known orbitals?
14.
What does the Pauli Exclusion Principle say about the electrons in an atom?
15.
In what order are the orbitals filled with electrons?
16.
What determines the maximum possible electrons in any level?
17.
How are levels, sublevels, and orbitals related?
18.
How do you determine the number of electrons in an atom?
19.
How does an ion differ from an atom?
20.
How is the principal quantum number shown in the periodic table?
21.
How is the azimuthal quantum number shown in the periodic table?
22.
What quantum number is represented by pairs of columns?
23.
What quantum number is represented by a single column?
24.
In the electron configuration 4p6, what does each of the three symbols mean?
25.
According to the Aufbau Principle, how is a configuration written?
26.
Why is the configuration [Ar]3d5 4s1 an exception to the rule?
27.
What does the symbol [Ar] represent in question 26?
28.
What is the configuration for these elements: Fe, Zr, U, Ar, and K.
29.
Zn is much more stable that would be expected from the patterns in the periodic table. Why?
30.
How many orbitals are possible in each sublevel?
31.
What is the maximum number of electrons in each sublevel?
32.
What is the maximum number of electrons in the outer level of an atom?