When methane is burned in oxygen, carbon dioxide and water vapor are the products. since all the reactants and products are gases which are invisible, which of the following clues tell you that a chemical reaction has taken place

What is the polyatamic ion of borate

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?