Choose the INCORRECT statement about boron.
A) Boron is the only nonmetal in group 13 (3A) .
B) Many boron compounds are electron deficient.
C) Borax actually contains no boron.
D) Diborane B2H6 has three center-two atom bonds.
E) The best formula for boric acid is B(OH) 3.
Correct Answer:
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Q62: One of the most important commercial processes
Q63: Choose the INCORRECT statement.
A)Diborane is B2H6.
B)B(OH)3 boric
Q64: Graphite and diamond are:
A)allotropes
B)amorphous substances
C)bivalent
D)elastomers
E)very unstable
Q65: Choose the molecular shape for BCl3.
A)trigonal planar
B)tetrahedral
C)bent
D)linear
E)trigonal
Q66: Pick the nonmetal in Group 13 (3A).
A)Al
B)Ga
C)In
D)B
E)Tl
Q68: Choose the INCORRECT statement about carbon.
A)Carbon does
Q69: Choose the INCORRECT statement.
A)Amphoteric means useful in
Q70: Write an equation for the roasting of
Q71: Which of the following metals has been
Q72: Choose the INCORRECT statement.
A)A glass is an
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