Multiple Choice
The atomic mass of an element is
A) the average atomic mass of its isotopes according to their proportions in nature.
B) the average mass number of its isotopes according to their proportions in nature.
C) the average atomic number of its isotopes according to their proportions in nature.
D) the atomic mass of its most abundant isotope.
Correct Answer:
Verified
Correct Answer:
Verified
Q45: The least active of the following nonmetals
Q46: Carbon<br>A) is a typical metal.<br>B) is a
Q47: The largest number of elements are classed
Q48: According to the periodic table, the chemical
Q49: When atoms join to form a molecule,<br>A)
Q51: The rare earth elements are not<br>A) extremely
Q52: The name of the compound Ca<sub>3</sub>N<sub>2</sub> is<br>A)
Q53: Which of the following statements is not
Q54: Which of the following is a homogeneous
Q55: Elements with similar properties other than atomic