Question

Formulae of Element​

Answer 1

Explanation:

A chemical formula identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element. ... For example, the empirical formula of ethanol may be written C2H6O because the molecules of ethanol all contain two carbon atoms, six hydrogen atoms, and one oxygen atom.

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Answer 2

$\huge\bigstar\underline\mathfrak{Answer:-}$

• In molecular formulae, the elements are denoted by their respective symbols (as in the periodic table) and the number of atoms of each element in the molecule is written in subscript. For example- the molecular formula for glucose is C6H12O6.

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