Answer:
The Aufbau Principle
Explanation:
In the ground state of an atom or ion, electrons fill atomic orbitals of the lowest available energy level before occupying higher-energy levels.
Answer:
<em>When molecular hydrogen (H2) and oxygen (O2) are combined and allowed to react together, energy is released and the molecules of hydrogen and oxygen can combine to form either water or hydrogen peroxide.</em>
Barrier island refers to the large sandbars along the coastline that form
from deposition of sand over long period of time.
<h3>Features of a Sandy environment </h3>
The features of a sandy environment include the following:
Barrier Island are formed when sand is deposited over a long time and this
helps to prevent erosion along the coastline area.
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