Question

What does a chemical formula
represent?​

Answer 1

Answer:

A chemical formula identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element. In empirical formulae, these proportions begin with a key element and then assign numbers of atoms of the other elements in the compound, by ratios to the key element.

Explanation:

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Answer 2

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⟶ Chemical formulas are used to describe the types of atoms and their numbers in an element or compound.

⟶ The atoms of each element are represented by one or two different letters.

⟶ When more than one atom of a specific element is found in a molecule, a subscript is used to indicate this in the chemical formula.

$\bf{\underline\purple{SOME}}$ $\bf{\underline\purple{IMPORTANT}}$ $\bf{\underline\purple{CHEMICAL}}$ $\bf{\underline\purple{FORMULAS:}}$

⟹ Ammonium - NH+4

⟹ Calcium - Ca2+

⟹ Lead (II) - Pb2+

⟹ Iron (II) - Fe2+

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