Multiple Choice
The average mass of an atom is determined by
A) taking a weighted average of all isotopic masses
B) averaging the masses of each isotope
C) taking a weighted average of all stable isotopic masses
D) adding the isotopic masses and dividing by the number of isotopes
Correct Answer:

Verified
Correct Answer:
Verified
Q9: All polymers form rigid solids at standard
Q10: The ratio of isotopes for a given
Q11: The correct molecular formula of rubidium chloride
Q12: The systematic (IUPAC) name of CuO is:<br>A)
Q13: Cations are particles with fewer electrons than
Q15: The correct molecular formula for iron(II)bromide is:<br>A)
Q16: A horizontal row of elements on the
Q17: The correct molecular formula of dinitrogen pentoxide
Q18: Pentane has a five carbon atom skeleton
Q19: The systematic (IUPAC) name of MgI<sub>2</sub> is:<br>A)