The atomic number of an element is:
A) the whole number nearest to its mass
B) the number of protons in its nucleus
C) the nearest whole number of hydrogen atoms having the same mass as a single atom of the given element
D) the number of neutrons in its nucleus
E) its order of discovery
Correct Answer:
Verified
Q8: The isotopes of an element:
A)cannot be separated
Q9: Let Z denote the atomic number and
Q10: A femtometer is:
A)larger than 10-9 m
B)10-9 m
C)10-12
Q11: The smallest particle of any chemical element
Q12: Which of the following nuclides is least
Q14: The Rutherford scattering experiment showed that:
A)light has
Q15: Stable nuclei generally:
A)have a greater number of
Q16: Volumes of atomic nuclei are proportional to:
A)the
Q17: A proton in a large nucleus:
A)has a
Q18: Let A be the mass number and
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