Multiple Choice
Hans Geiger
A) discovered radium and polonium.
B) invented the bubble chamber.
C) discovered radioactivity.
D) observed back-scattering from nuclei.
E) invented the particle detector tube.
Correct Answer:
Verified
Correct Answer:
Verified
Q28: Why do the high-proton-number elements tend to
Q29: A sievert (Sv) is<br>A) the SI unit
Q30: Which isotopes are radioactive?<br>A) none<br>B) some<br>C) odd
Q31: In radioactive dating, carbon-14 is often used.
Q32: Which has the greater half-life?<br>A) Strontum-90<br>B) Cobalt-60<br>C)
Q34: The binding energy of a <sup>170</sup>Yb atom
Q35: A becquerel (Bq) is<br>A) 3.70 × 10<sup>10</sup>
Q36: All of the following are units used
Q37: If an element of atomic number 15
Q38: Donald Glazer<br>A) observed back-scattering from nuclei.<br>B) invented