Electron Honors Review Page 2
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2Name: _____________________________________ Date: __________________ Period: ____ #: ____
25. FILL IN THE CHART:
ELEMENT
COMPLETE ELECTRON
ELECTRON CONFIG.
# OF VALENCE
CONFIGURATION
OF OUTER SHELL
ELECTRONS
HELIUM
CARBON
CHLORINE
POTASSIUM
SCANDIUM
ZINC
KRYPTON
3-
N
(ion)
+
Na
(ion)
26. Which orbital designations are impossible?
3s, 4d, 6p, 3f, 2d, 7s
27. Which two elements in the 3d subshell have unexpected or exceptional electron configurations? _____ and ______
29. What was the explanation given for this exception?
30. FILL IN THE CHART:
ELEMENT
ELECTRON
ORBITAL
ELECTRON CONFIG.
VALENCE
CONFIGURATION WITH
DIAGRAM
OF OUTER SHELL
ELECTRONS
NOBLE GAS CORE
OF OUTER SHELL
ONLY
STRONTIUM
IODINE
MERCURY
LEAD
RADON
31. The Heisenberg uncertainty principle states that it is impossible to know both the __________________ and
_______________________of a particle at the same time.
32. What is the difference between the ground state and the excited state of an atom?
33. Which one is more stable: ground state or excited state?
34. What happens to the lost energy as an atom returns to the ground state?
2
L. Tait
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