2
A table of the chemical elements arranged in order of atomic number
5
groups of the same or different atoms that always combine in the same proportion
6
solids whose particles come together in a perfectly ordered way in the three dimensions of space
7
Negatively charged atomic subparticle
8
Uncharged atomic subparticle
9
Positively charged atomic subparticle
10
rows of Periodic table
11
Verticals columns of Periodic Table
12
the smallest particle of a chemical element that can exist.
