Which of the following is made up only of one type of atom? 1) Tomato Ketchup
2) Aluminium foil
3) A drop of water
4) A crystal of table salt

Lewis structure and molecular geometry for nh2cl

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

Many pharmaceutical drugs are organic compounds that were originally synthesized in the laboratory. which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology