I believe that the answer for this question would be option A. 8 HOURS. Based on the given scenario above about a certain radioactive isotope placed near a Geiger counter, the half-life <span>of the isotope 32 hours later would be 8 hours. Hope this is the answer that you are looking for. </span>
that would be physical change cuz your only changing it PHYSICALLY ya know wat im sayin...
a physical change is a change that does not change the composition of the substance. a physical change does not change the molecules of the substance. (they mean the same thing) but no new substance is made from a physical change it stays the same substance as it is...and probably.....always...wooooooo
-exp would be: cutting, tearing, folding, painting, melting, freezing, mixing, and evaporating.
Answer:
NaCL
Explanation:
sodium chlorine is a typical ionic compound
