Periodic table is arranged according to atomic size and other properties.
Most of the substances found on earth are compounds.
(water is made up of 2 elements)
(a baseball is larger than a golf ball by default)
(water has a pH value of 7)
Hope this helps u!
Hello!
The correct answer is 1. KCI.
I really hope this helped you out! c:
Molecules move from areas of high concentration to areas of low concentration.
