Do metals and nonmetals conduct electricity and heat? Explain. Why does carbon make up all organic molecules? Why not silicon, which is also in the 4th group of the periodic table? Differentiate between diamond and graphite. Ionic compounds are made up of electrically charged particles, Why doe...
ions B. molecules C. electrons D. neutronsBriefly describe how radiometric dating and stratigraphy can be used to determine the age of rocks. Use the terms "absolute dating," "isotopes," and "relative dating" in your response.Chemists assign atoms to ...
Additionnally, crystals represent a means to provide molecules at high concentration and with properties that can be tailored to provide long-term storage, controlled release, and retained activity. This is of particular interest for drug development and delivery, notably of pharmaceuticals [3,4], ...