Thomson's model suggested that electrons were mixed into the sphere of an atom much like raisins ?

Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)

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

Which is true about metals used for jewelry, such as platinum and gold? a. they have low flammability. b. they have low reactivity. c. they have high flammability. d. they have high reactivity.