Formulae

The video tutorial explains the composition of compounds, highlighting that compounds consist of atoms combined in a specific fixed ratio. It provides examples such as sodium chloride (NaCl), which has a 1:1 ratio of sodium to chlorine atoms, and water (H2O), which consists of two hydrogen atoms and one oxygen atom.

What is the composition of a compound?

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How do compounds consist of atoms?

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What is the chemical formula for sodium chloride and what does it represent?

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Describe the composition of a water molecule.

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How many hydrogen atoms are present in a water molecule?

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