Multiple Choice
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
Correct Answer:
Verified
Q16: The sievert is the correct unit to
Q17: A nucleus with mass number A
Q18: In addition to the daughter nucleus and
Q19: An atom of <sup>235</sup>U (Z =
Q20: Stable nuclei generally:<br>A)have a greater number of
Q22: In the Rutherford scattering experiment, an alpha
Q23: Radioactive polonium, <sup>214</sup>Po (Z = 84), decays
Q24: Which of the following nuclides is least
Q25: A nucleus with a mass number of
Q26: Aluminum has atomic number 13, helium