Thursday
November 27, 2014

Homework Help: Chemistry

Posted by Emily on Sunday, June 8, 2014 at 9:55pm.

27. Excess exposure to nuclear radiation can cause harm. All of the following statements about radiation are true EXCEPT
A. Radiation can damage living tissue because of the high energy associated with the radiation.
B. Radiation can damage biological molecules by knocking an electron out of an atom, converting it into a positive ion.
C. Nuclear radiation refers to the high-energy particles and electromagnetic radiation emitted by a nucleus during nuclear change.
D. Nuclear radiation causes the same level of damage regardless of the source of radiation, α, β or γ radiation.
E. Ionization can cause irreparable damage to a biological molecule by weakening or breaking its covalent bonds.
I think the answer is D

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