Which statement is incorrect according to modern atomic theory?
A) Some sugars have the formula C3.5H7O3.5.
B) An atom of 14N has the same approximate mass as an atom of 14C.
C) An atom of 14N behaves differently in chemical reactions than an atom of 14C.
D) An example of a chemical reaction is CaCO3 → CaO + CO2.
E) C2H6 and C3H8 are both possible compounds of carbon and hydrogen.
Correct Answer:
Verified
Q6: Which characteristics correctly describe a neutron?
A)approximate mass
Q7: Another name for atomic mass unit (amu)is
Q8: Which characteristics correctly describe a proton?
A)approximate mass
Q9: The mass number of Bromine-81 is
A)81.
B)79.904.
C)79.
D)46.
E)35.
Q10: Which particle has a mass approximately equal
Q12: Protons possess a _ charge,and electrons possess
Q13: An atom with Z = 26 and
Q14: How many neutrons does an atom of
Q15: Where is most of the mass of
Q16: The value of Z for the element
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