Answer:
Answer: A. Gases are easily compressed because of the low density.
Explanation:
There is 3 ways that an atom can be put together
Answer:
the are coefficients for the atom. the tell how many there are.
Explanation:
they tell you how many atoms there are of its type.
ex. 4 C²H³. there are 4 of the c² and h³ (couldn't find a way to use subscript so used the power signs to show.)
Well. There is the color change and the formation of bubbles.