What changes when you add a neutron to an atom? a.
just the mass changes
b.
just the charge changes
c.
just the element changes
d.
the mass, the charge, and the element

How can you use chemical equations to predict the products of the reaction you can carry out?

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids