2Ca3(PO4)2 + 6SiO2 ---> P4O10 + 6CaSiO3

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?