Atoms are (stable) if it has (valence) electrons in its outer most energy level.
Answer:
<em><u>The three-dimensional region of space that indicates where there is a high probability of finding an electron.</u></em>
Answer:
mendeleev left a space
Explanation:
so the periodic table can be organize
Fires affect animals mainly through effects on their habitat.
When fossil fuels are burned for energy, carbon that was sequestered underground is being released again into the atmosphere.
