Sally and sue took a canoe trip down the mississippi river. their average speed for the trip south was 20 miles/hour. 20 miles/hour south is the girls'
a) acceleration.
b) distance.
c) speed.
d) velocity.

if two electrons have the same n, the same ℓ, and the same ml, then they are in the same orbital. the pauli exclusion principle states that no two identical fermions (a fancy word for electrons and other subatomic particles like electrons) may occupy the same quantum state in an atom simultaneously.

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explanation:

c. electrical charges of ionic bonds.