Writing Chemical Formula

Front

What is a chemical formula?

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A chemical formula is a way of expressing the composition of a chemical compound using symbols for the elements and numerical subscripts to indicate the number of atoms of each element.

Front

What does the subscript in a chemical formula indicate?

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The subscript in a chemical formula indicates the number of atoms of the element that are present in one molecule of the compound.

Front

What is the chemical formula for Dinitrogen monoxide?

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Front

What is the chemical formula for Zinc (II) bromide?

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Front

What is the chemical formula for Lead (IV) sulfite?

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Front

What is the formula for Ammonium Oxide?

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Front

What is the chemical formula for Calcium Nitrate?

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Front

How do you determine the chemical formula for a compound?

Back

To determine the chemical formula, identify the elements present, their oxidation states, and the ratio of atoms needed to balance the charges.

Front

What is the significance of Roman numerals in chemical formulas?

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Roman numerals indicate the oxidation state of the metal in ionic compounds, helping to determine the correct formula.

Front

What is the difference between ionic and covalent compounds?

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Ionic compounds are formed by the transfer of electrons between metals and nonmetals, while covalent compounds are formed by the sharing of electrons between nonmetals.