Do Compounds always have the same physical properties as the elements they are made of

No

Explanation:

The physical and chemical properties of substances are usually difference from those of the elements that makes them up.

Compounds are substances composed of two or more kinds of atoms joined together in a definite grouping.

The properties of a compound are distinct and different from those of the individual elements that are combined in its make-up.

explanation:

since this is put under health, i would define "ethical (medical) behavior" the way the oath for doctors is recited.   "first do no harm."

but the term in general means when given a choice between right and wrong, we should always choose right. if we do, then we are practicing ethical behavior.

they it depends on if one believes about radioactivity, they make a geiger counter beep but maybe it was going to beep anyway electronics do wierd things all the time or it was programmed to beep near certain metals.