H2o
2 hydrogen and an oxygen.
Hope this helps.
They can be found in food or beverages
<span>(88.39 / (88.39 + 44.61) ) x (5264000) = answer for copper grams
(44.61 / (88.39 + 44.61)) x (5264000) = answer for sulfur grams
Sulfur is a non-metal used to make paper, number 16 on periodic table.</span><span>
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Fluorine and Nitrogen are both non-metals which posses non polar covalent bonds. So in this case, only KCl has polar covalent bond.
Before solving, let us understand the meaning of covalent and ionic bonds and how to identify them.
Ionic bonding is the complete transfer of valence electron(s) between atoms. It is a type of chemical bond that generates two oppositely charged ions. In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion.
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.
Therefore, the polar covalent bond is shown by KCl as it shows sharing of equal electrons amongst them.
To learn more about bonds, refer: brainly.com/question/28295504
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