Henri Becquerel
A) proposed the tiny central nucleus idea.
B) discovered radioactivity.
C) invented the particle detector tube.
D) discovered radium and polonium.
E) observed back-scattering from nuclei.
Correct Answer:
Verified
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
Q15: Marie & Pierre Curie
A) discovered radioactivity.
B) proposed
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.
Q21: Cosmic rays react with what atmospheric atoms
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents