Answer:
Selenium
Explanation:
selenium has 4 energy levels (think a 4 story building) while oxygen only has 2 (think 2 story building). which one is taller?
acids, proteins, carbohydrates and lipids. These macromolecules are large molecules that make up most of the bodies of living things.
Krypton is in group 18, and so it has 8 valence electrons. B is the answer
<span>1. soft
2. yellowish white
3. greasy
4. smooth</span>
