Modern atomic theory states that the atom is a diffuse cloud surrounding a small, dense nucleus. identify which particle is in the nucleus. a) ion b) proton c) electron d) free radical

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.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?