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The first year Mole Day was celebrated
What is 1991?
The number of aluminum atoms in 0.371 moles
What is 2.23x1023 atoms?
When calculating a molecule's molar mass, one needs to allow this addend to determine rounding
What is the addend with the least number of decimal places?
The names of the orbitals associated with the n=2 level
What is 2s and 2p (2px, 2py, 2pz)?
An orbital with the quantum numbers n=3 and l=1 would have this shape
What is a dumbbell?
The time mole day starts and ends
What is 6:02 am to 6:02 pm?
26.2 grams of gold is this many moles
What is 0.133 moles?
MgO has this molar mass
What is 40.3044 g/mol?
The number of “s” electrons in a single Niobium atom is
What are 10 s electrons?
The 4th electron of Sulfur has these 4 address numbers
What is (2, 0, 0, -1/2)?
Avogadro's number
What is 6.022142x1023?
2.65 g Fe is this many moles
What is 0.0475 moles?
Propane (C3H8) has this molar mass
What is 44.096 g/mol?
The number of individual orbitals that possess electrons in a carbon atom
What are 4 orbitals?
(1s, 2s, 2px, 2py)
The maximum number of electrons with quantum numbers with n=3 and l=2 is
What is 10 electrons?
Nationality of Amedeo Avogadro
What is Italian?
4x109 molecules of methane (CH4) contains this many grams
What is 1.0656 x 10-13 grams?
Iridium has this molar mass
What is 192.22 g/mol?
The number of half-filled 3d orbitals in a vanadium atom
What are 3 orbitals?
(3d3)
The 16th electron of Sulfur has these four quantum numbers
What is (3, 1, -1, -1/2)?
The kind of test chemistry students like best
Mole-tiple choice.
0.02550 g Pt has this many grams
What is 7.872 x 1019 atoms?
The scientist could not make more guacamole for this reason
What is "because he was out of Avogadros?"
Which atom does not have an unpaired electron in its ground-state electron structure: carbon or calcium? (Must explain answer)
What is calcium?
Ca: [Ar]4s2
C: [He]2s22p2
Palladium has this electron configuration
What is 1s22s22p63s23p64s23d104p65s24d8?