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Fe2O3 is iron(III) oxide, while FeO is iron(II) oxide. The Roman numerals denote the oxidation state of iron. They are not both simply called iron oxide because they contain different ratios of iron to oxygen atoms, resulting in different chemical properties and behaviors.

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How do you know about the difference between an ionic bonding and covalent bonding?

If you are looking at a chemical bond between two elements, simply find the difference between their electronegativities (simply google a periodic table that includes electronegativity to find an element's electronegativity). So for instance, in: Pottasium + Flouride Flouride has an electronegativity of about 4.0, and Potassium has an electronegativity of about 0.8. 4.0 - 0.8 = 3.2 if the difference is from 0.0 to 0.3, the bonds are non-polar Covalent. if the difference is from 0.3 to 1.7, the bonds are polar Covalent. if the difference is from 1.7 upwards, the bonds are Ionic.


Chemical compounds that contain carbon and hydrogen are called?

Compounds that contain carbon-hydrogen bonding are collectively termed organic compounds. These are simply compounds that would contain hydrogen and carbon elements.


Which of the followin compounds is polar covalent o2 h2o nacl ch4 ki?

H2O. Due to difference in electronegativity. O2 is covalent, NaCl and KI are ionic, CH4 is usually considered to be simply covalent as the electronegatiicty difference is small.


What is this chemical reaction occurs when two (2) compounds simply switch their constituents to form new elements?

This type of chemical reaction is called a double displacement reaction, where two compounds swap their ions to form two new compounds. The reaction occurs when there is a formation of a precipitate, gas, or a weakly ionized molecule.


What is the difference between polythene and polyethylene?

There is no difference between polythene and polyethylene. Polythene is simply another name for polyethylene, which is a common type of plastic material used in many products such as plastic bags, containers, and packaging.

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Which compounds are simply chemical compounds that contain carbon in their molecular formulas?

Organic Compounds.


How do you know about the difference between an ionic bonding and covalent bonding?

If you are looking at a chemical bond between two elements, simply find the difference between their electronegativities (simply google a periodic table that includes electronegativity to find an element's electronegativity). So for instance, in: Pottasium + Flouride Flouride has an electronegativity of about 4.0, and Potassium has an electronegativity of about 0.8. 4.0 - 0.8 = 3.2 if the difference is from 0.0 to 0.3, the bonds are non-polar Covalent. if the difference is from 0.3 to 1.7, the bonds are polar Covalent. if the difference is from 1.7 upwards, the bonds are Ionic.


Chemical compounds that contain carbon and hydrogen are called?

Compounds that contain carbon-hydrogen bonding are collectively termed organic compounds. These are simply compounds that would contain hydrogen and carbon elements.