Choose the INCORRECT statement.
A) Sb and As are usually referred to as metalloids.
B) Nitrogen is obtained by fractional distillation of liquefied air.
C) Phosphorus is important in fertilizers.
D) As and Sb are used in semiconductor materials.
E) Nitrides are compounds of nitrogen in the 3+ oxidation state.
Correct Answer:
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Q45: Which formula/name combination is INCORRECT?
A)NaN3/sodium nitride
B)N2H4/hydrazine
C)HONH2/hydroxylamine
D)Mg(N3)2/magnesium azide
E)PH3/phosphine
Q46: Choose the INCORRECT statement.
A)Eutrophication is the process
Q47: Choose the INCORRECT statement.
A)Hydrogen occurs in more
Q48: What is the molecular shape for XeOF2?
A)trigonal
Q49: Choose the INCORRECT statement.
A)Hydroxylammine,NH2OH,is a weak acid.
B)Laughing
Q51: Write the chemical equation for the reaction
Q52: Which element is in a family that
Q53: Choose the INCORRECT name/formula combination.
A)hydrogen chloride HClO
B)sodium
Q54: Choose the INCORRECT statement.
A)Hydrazine is N2H2.
B)Hydroxylamine is
Q55: Define "hydrogenation reaction."
A)Hydrogen is produced chemically.
B)Double bonds
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