Multiple Choice
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
Correct Answer:
Verified
Q72: In terms of atomic structure,the common characteristic
Q73: The correct order for filling orbitals with
Q74: The smallest amount of an element that
Q75: Give the electron dot structure for an
Q76: Which element is most likely to have
Q78: Which characteristics correctly describe an electron?<br>A)approximate mass
Q79: Which element is not a semimetal?<br>A)Al<br>B)Si<br>C)Ge<br>D)As<br>E)none of
Q80: Which of the following is a correct
Q81: The value of Z for the element
Q82: What is the electron configuration of Fe?<br>A)1s<sup>2