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8 Cards in this Set

  • Front
  • Back
Which words best describe a pure sample of glucose (C6H12O6)?
Homogenous
Compound
Substance
Define isotope.
Atoms of the same element, with different masses.
What is the structure of ions in an ionic compound?
Ionic compounds exist in crystalline structures.
Define accuracy and pdrecision.
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
All of the following are ionic compounds EXCEPT:
NaCl PCl5
Fe(NO3)3 CaSO4
PCl5
What are the charges for protons, neutrons, and electrons?
Protons - Positive
Neutrons - Neutral
Electrons - Negative
What do the quantum numbers n, l, m, and s stand for?
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
What is the electron notation for the highest energy electrons for V (#23)?
1s1
2s2
2p6
3s2
3p6
4s2
3d6