1. When an electron in a hydrogen atom moves from a higher to a lower energy state, the energy difference is emitted as a quantum of _____________.
2. Define the four quantum numbers n, l, m, and s, explain what information is given be each.
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3. What are the four quantum number for the elctron in hydrogen. _________________________
4. The space occupied by one pair of electrons in called a (n) ______________.
5. Write out the chart that helps you figure out the electron configurations of atoms.
6. Complete the following table.
ENERGY LEVEL NUMBER OF SUBLEVELS
1. 1.
2. 2.
3. 3.
4. 4.
NUMBER OF ORBITALS MAXIMUM NUMBER OF ELECTRONS
1. 1.
2. 2.
3. 3.
4. 4.
7. State the Pauli exclusion principal.
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8. Complete the following table.
SUBLEVEL NUMBER OF ORBITALS MAX NUMBER OF ELECTRONS
s
p
d
f
9. Complete the electron configurarions for the following atoms by drawing in the arrows indicating the electrons with appropriate spins for each orbital.
1s 2s 2p
a .beryllium (atomic number 4)
b. carbon (atomic number 6)
c. fluorine (atomic number 9)
Write T or F
_____________10. If two electrons occupy the same orbital, they must have opposite spins.
_____________11. The principal quantum number describes the energy level of an electron.
_____________12. The Schrodinger wave equation is solvable for any multielectron system.
_____________13. Four quantum numbers are required to describe completely an electron in an atom.