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23. Chemistry of the Nonmetals - Part 3 of 4!
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Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
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Problem 9
Problem 10
Problem 11
Problem 12
23. Chemistry of the Nonmetals - Part 3 of 4!
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23. Chemistry of the Nonmetals / The Electron Configuration Review / Problem 5
Problem 5
Why does the 4s orbital fill before the 3d orbital?
A
The 4s orbital can hold more electrons than the 3d orbital.
B
The 4s orbital is lower in energy than the 3d orbital initially.
C
The 4s orbital is closer to the nucleus than the 3d orbital.
D
The 3d orbital is filled first in transition metals.
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