Marie & Pierre Curie
A) discovered radioactivity.
B) proposed the plum-pudding model.
C) observed back-scattering from nuclei.
D) discovered radium and polonium.
E) proposed the tiny central nucleus idea.
Correct Answer:
Verified
Q10: Isotopes of an element have nuclei with
A)
Q11: All isotopes are unstable which have proton
Q12: When an alpha particle is emitted from
Q13: When a neutron is emitted from an
Q14: When a
Q16: Henri Becquerel
A) proposed the tiny central nucleus
Q17: Which isotopes are radioactive?
A) none
B) some
C) odd
Q18: When an alpha particle is emitted from
Q19: When a nucleus undergoes beta-minus decay, it
Q20: In radioactive dating, carbon-14 is often used.
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