Lee? The verb should be in the el/Ella/usted form
Answer:

Explanation:
Hello,
In this case, given that one mole of glucose, contains six moles of oxygen (subscript), we can also see it contains twelve moles of hydrogen (subscript), therefore, the moles of hydrogen in the sample are computed by:

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D Excretory systems regulate the chemical composition of body fluids by removing metabolic wastes and retaining the proper amounts of water, salts, and nutrients. Components of this system in vertebrates include the kidneys, liver, lungs, and skin.
A fluorine element has 7 valence electrons.
A stable fluorine ion should have 8 valence electrons.
So fluorine gains an extra electron.
Thus, the most stable monatomic ion is 
Water: hydrogen bonding
carbon tetrafluoride: dispersion or Van del Waals
dichloromethane: dipole-dipole