2a student is given two diagrams, a neutral copper
atom and a neutral mercury atom. which statement
best describes the difference in the number of
electrons for these two atoms?
f copper has 29 less electrons than mercury.
g mercury has 51 more electrons than copper.
h copper has 51 more electrons than mercury.
j mercury has 29 less electrons than copper.

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. the data are stored on a laptop computer without encryption, and the laptop computer is stolen from the researcher’s car on the way home from work. this is an unanticipated problem that must be reported because the incident was (a) unexpected (i.e., the researchers did not anticipate the theft); (b) related to participation in the research; and (c) placed the subjects at a greater risk of psychological and social harm from the breach in confidentiality of the study data than was previously known or recognized. according to ohrp, this unanticipated problem must be reported to the irb in which timeframe? promptlywithin 48 hourswithin 24 hourswithin two weeks