The isotopes of an element:
A) cannot be separated at all
B) occur well separated in nature
C) have similar chemical behavior
D) cannot be separated by physical methods
E) have equal masses
Correct Answer:
Verified
Q1: The smallest particle of any chemical element
Q2: The mass of an electron:
A) is almost
Q3: The mass of a neutron:
A) equals that
Q4: Let Z denote the atomic number and
Q6: Bromine, with atomic mass 79.942 u, is
Q7: Volumes of atomic nuclei are proportional to:
A)
Q8: A proton in a large nucleus:
A) attracts
Q9: Two protons are about 10-10 m apart.
Q10: Stable nuclei generally:
A) have a greater number
Q11: The greatest binding energy per nucleon occurs
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