When Phillip analyzed an unknown substance X, he found that it contained only one kind of atom. Phillip was unable to convert the substance to a simpler one. What is substance X? A. a compound B. an element C. a heterogeneous mixture D. a homogeneous mixture

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium

All motion is caused by force? true or false