The class of semiconductors, known as elemental, has special features. These are ________.
A) band gap and individual element valence electrons
B) periodical table grouping and diamond crystal structure
C) tetrahedral coordination geometry and sp2 hybrid orbitals
D) overlapping hybrid orbitals and filed conduction bands
E) none of the above
Question 2
Sodium bicarbonate is reacted with concentrated hydrochloric acid at 37.0 C and 1.00 atm. The reaction of 6.00 kg of bicarbonate with excess hydrochloric acid under these conditions will produce ________ L of CO2.
A) 1.09 102
B) 2.85 104
C) 1.82 104
D) 8.70 102
E) 1.82 103
Key Features of Australopithecus africanus.
Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru
At breakfast, a middle-class husband sits absorbed in the newspaper and the public affairs of the da
Special Triangles
Pt.1 (special triangles)
Pt.2 (special triangles)