Identify the statement regarding O2, NO, and H2O that is correct.
A) Only O2 is a chemical element.
B) Only NO is a chemical element.
C) Only H2O is a chemical compound.
D) All are chemical elements.
E) All are chemical compounds.
Correct Answer:
Verified
Q23: For each of the elements below, there
Q36: He is the symbol for _
A)hydrogen.
B)hafnium.
C)mercury.
D)helium.
E)holmium.
Q39: The average atomic mass of calcium is
Q43: Which of the following is an alkali
Q46: Silicon is best described as a _
A)metalloid.
B)metal.
C)transition
Q47: Which statement below is not correct?
A)Oxygen is
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Q49: Cobalt is best described as a(n) _
A)
Q53: Oxygen is best described as a _
A)metalloid.
B)metal.
C)transition
Q58: Potassium is best described as a _
A)metalloid.
B)metal.
C)transition
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