Chemistry

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Chemistry
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Formula Kimia (4)
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The meaning of Al2O3
The subscript number shows that two atoms of aluminium combine with three atoms of oxygen
The meaning of NH3
The subscript number shows that one atoms of nitrogen combine with three atoms of hydrogen
The meaning of ZnCl2
The subscript number shows that one atoms of zinc combine with two atoms of chlorine
The subscript number 1
Need not be written in a chemical formula
Two types of chemical formulae
Namely the empirical formula and the molecular formula
The empirical formula
Is the chemical formula that shows the simplest ratio of the number of atoms of each element in a compound
The molecular formula
Is the chemical formula that shows the actual number of atoms of each element found in a molecule of a compound
The difference between the empirical formula and the molecular formula
Molecular formula of glucose
C₆H₁₂O₆
Empirical formula of glucose
CH₂O
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Formula Kimia (4)
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