A homogeneous mixture<span> has the same uniform appearance and composition throughout.
</span>A heterogeneous mixture<span> consists of visibly different substances or phases.</span>
The mantle layer is more dense closest to the core.
Using this equation, we can take 25/(1.0 + 19) and find that it is equal to 1.25 moles.
Answer:
<em>The energy level diagram is used to represent the energy states available in each atom. When an electron is in an energy state, it emits nor absorbs radiation. A photon is emitted or absorbed when an electron transitions from one energy state to another.</em>
Explanation:
I think it's less, more, more. correct me if i'm wrong
