Relative abundance of an isotope means the percentage of that particular isotope that occurs in nature. Hope this helps!
Answer:a.Oxygen
Explanation:s you move from left to right, electronegativity increases. This means that oxygen is one of the most electronegative elements because it is situated on the right part of the periodic table. ... Oxygen has 6 valence electrons so it can still attract 2 more electrons to fill the valence shell.
Answer:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by-products and ATP is energy that is transformed from the process.
Explanation:
Your answer is: A. tetrahedral
Hope this helped! :D