For a compound composed of ions, the smallest combination of ions that gives the formula of the compound is called a
a. molecule.
b. polyionic atom.
c. polyatomic ion.
d. formula unit.
d
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The average molecular translational kinetic energy of a molecule in an ideal gas is
A.
kBT.B.
RT.C.
kBT.D.
RT.E.
kBT, where n = number of internal degrees of freedom.The ________ a period ________, that coincides with ________.
A. magnetic cycle is; of 22 years; a period of intense solar and earthquakes B. sunspot cycle is; of 11 years; the Sun's rotation around its axis C. Maunder Minimum is; of low sunspot activity; the "little ice age" in the late 17th century D. solar cycle is; of high sunspot activity; the cycle of the planetary alignments
List the three useful ways in physics to multiply vectors
What will be an ideal response?
The Mississippi River has a huge delta. With each year and each episode of deposition, the river
A) lengthens its course and the delta shrinks. B) becomes choked and shortens as the delta grows. C) course lengthens and the delta grows. D) shortens as the delta moves upriver.