Which statement is true about metals and metalloids? A. All metals and metalloids have luster. B. Metals are good conductors and metalloids are bad conductors C. Metals are nonmalleable and metalloids are malleable

The properties of metals are that they are: m alleable, ductile, luster, and good conductors of heat and electricity. Metalloids can be shiny and dull and have conductivities larger than non-metal but not as high as that of the metals. The answer hence that applies here is A

I believe the statement that is true of metals and metalloids is B. Metals are good conductors and metalloids are bad conductors.