Which list of items contains only ions?
A) CO2,H2O,Na+,H-
B) Na+,H-,Pb,Hg
C) Pb,Hg,CO2,NaCl
D) Cl-,Na+,Ca2+,NO3-
E) NaCl,NO,CO,NaOH
Correct Answer:
Verified
Q4: Protons,neutrons,and electrons are all _.
A) forms of
Q23: A tiny, tawny colored butterfly called the
Q24: Scientific hypotheses and results that have not
Q26: A tiny, tawny colored butterfly called the
Q27: A classmate tells you that a statement
Q27: An acidic solution would have _.
A) more
Q29: Atomic theory,the idea that all elements are
Q30: The atomic number of an element is
Q31: The most common form of the carbon
Q32: Matter is best described as _.
A) thermodynamic
B)
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