Because Electrons have a negative charge
Answer:
The atomic mass number is the number of protons and neutrons in an atom.
Answer:
The answer to your question is: letter B
Explanation:
Reaction
Cr2O3(s) + 3CCl4(l) ⇒ 2CrCl3(s) + 3COCl2(g)
From the information given and the reaction, we can conclude that:
Green solid = Cr2O3 (s) "s" means solid
Colorless liquid = CCl4 (l) "l" means liquid and is the other reactant
Purple solid = CrCl3(s) CrCl3 is purple and "s" solid
Then, as a green specks remains it means that the excess reactant is Cr2O3, so, CCl4 is the limiting reactant.
Answer:
combustion reaction, because the products are CO2 and H2O
Answer:
Explanation:
Solids have a fixed shape and occupy a fixed volume. because the particles in liquid are so close together,liquids do'not easily compress,so their volume is fixed. gases can also flow, so they occupy the shape of the whole container.