A sample of a compound containing only carbon and oxygen decomposes and produces 24.50g of carbon and 32.59g of oxygen.What is the sample?
A) CO
B) CO2
C) CO3
D) C3O2
E) C2O
Correct Answer:
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Q4: Which of the following statements about the
Q5: an atom that has lost an electron
Q7: Rank in the order of increasing mass.
A)
Q8: A new compound was recently discovered and
Q8: Give the composition of water.
A)two hydrogen atoms
Q9: Identify the characteristics of a solid.
A) definite
Q11: A scientific law
A) is a brief statement
Q12: The atomic number (Z)is the number of
Q13: Identify the characteristics of a gas.
A) definite
Q15: An element has three stable isotopes with
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