TRUE or FALSE: The symbol in LEDS represents the valence electrons and the dot represents the nucleus.
False
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15
What principle states that every orbital in a given subshell is singly occupied by electrons before a second electron is filled in an orbital?
Hund's Rule
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15
What are the four sublevels or orbitals in an atom?
spdf
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15
TRUE or FALSE: LEDS is use to emphasize the electron configuration of an element.
FALSE
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rocket
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25
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15
How many electrons does this element have?
29
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15
What principle is involve in the order of filling the different sublevels and states that electrons should occupy orbitals in order of increasing energy?
Aufbau Principle
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15
How many electrons can the first energy level hold?
2
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15
What do you call the electrons occupying the outermost shell of an atom?
Valence electrons
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15
What is the valence electron of Magnesium?
2
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15
What is the electron configuration of an oxygen atom?
1s2 2s2 2p4
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15
The number of electrons is equal to ______ and the _________.
protons; electrons
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15
What is missing in the given electron configuration: 1s 2s 2p 3s 3p 4s 3d ____ 5s 4d?
4p
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15
What is the total number of electrons if you have an electron configuration of 1s2 2s2 2p6?