In the following picture of an oxide,darkly-shaded spheres represent oxygen atoms or ions and lightly-shaded spheres represent atoms or ions of a second-row element in its highest oxidation state.Identify the element represented by the lightly-shaded spheres. 
Definitions:
Dividend Market Equilibrium
A state in the stock market where the supply of stocks a company is willing to sell at a certain dividend yield equals the demand.
Low Dividend Policy
A strategy where a company decides to distribute a smaller portion of its earnings in the form of dividends to retain more capital for growth.
Clienteles
Clienteles refers to groups of investors or customers who prefer certain policies or characteristics of a company, such as dividend policies, which cater to their specific needs or investment strategies.
Trading Range
Price range between the highest and lowest prices at which a stock is traded.
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