Multiple Choice
Atoms with unpaired electrons, known as ____, are dangerous because they ____.
A) free radicals; damage biological molecules
B) ions; are unstable
C) radioisotopes; damage electron orbitals
D) free radicals; are inert
E) radioisotopes; cannot fill their electron shells
Correct Answer:

Verified
Correct Answer:
Verified
Q15: How can radioisotopes be used as tracers
Q16: Match the chemical bond descriptions with the
Q17: Match the terms with their most suitable
Q18: Which chemical interactions is/are classified as true
Q19: Water is an example of a(n) _.<br>A)atom<br>B)ion<br>C)compound<br>D)solution<br>E)element
Q21: What causes ocean acidification? What are some
Q22: Which chemical interaction(s) is/are the weakest?<br>A)hydrogen bonds
Q23: Imagine that you are pouring some table
Q24: According to the pH scale, which substance
Q25: Hydrogen bonds in water collectively exert a