Answer:
first; why is it a question if teacher never teached you it LOL anyways..
Explanation:
i would say its the second one
"The smae quality of each element is present on both sides of the equation."
Metals are on the left side of the table and nonmetals are on the left with metalloids between them. And the noble gases are all in group 18 of the periodic table.
Yes because molecules is solid