Which of the following best describes the motion of the particles in a piece of steel?
none are moving
a few are moving
all are moving
most are moving

most
are dense and difficult to compress
are able to flow
are amorphous
have a disorderly structure

cyrstals are classified into how many different crystal systems?
4
5
6
7

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘