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8 Cards in this Set
- Front
- Back
Which words best describe a pure sample of glucose (C6H12O6)?
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Homogenous
Compound Substance |
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Define isotope.
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Atoms of the same element, with different masses.
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What is the structure of ions in an ionic compound?
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Ionic compounds exist in crystalline structures.
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Define accuracy and pdrecision.
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Accuracy - the closeness of measurements to the correct or accepted value of the quantity measured
Precision - the closeness of a set of measurements of the same quantity made in the same way |
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All of the following are ionic compounds EXCEPT:
NaCl PCl5 Fe(NO3)3 CaSO4 |
PCl5
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What are the charges for protons, neutrons, and electrons?
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Protons - Positive
Neutrons - Neutral Electrons - Negative |
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What do the quantum numbers n, l, m, and s stand for?
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n - principal quantum number - indicates the main energy level occupied by the electorn.
l - angular momentum quantum number - indicates the shape of the orbital ( 0=s, 1=p, 2=d, 3=f) m - magnetic quantum number - indicates the orientation of an orbital around the nucleus s - spin quantum number - indicate the two fundamental spin states of an electron in an orbital |
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What is the electron notation for the highest energy electrons for V (#23)?
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1s1
2s2 2p6 3s2 3p6 4s2 3d6 |