Answer:D
Explanation:
Number of electrons=Number of protons
Sodium atom has 1 valence electron
Subsoil is the layer of soil under the topsoil on the surface of the ground.
Answer:
Potassium (K) = (2,8,8,1)
This is the element that has three(3) filled energy level and one valence electron
Answer:
332.918g O2
Explanation:
I'm having some issues with the work however, your final answer should be 332.918g O2
Hope this helped!