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The subscript 4 indicates the number of that type of atoms in the compound. In this case, there are four Fluorine atoms in this molecular compound.
Ag3PO4 would be silver phosphate.
4 2 hydrogen and 2 oxygen
Methane is a compound of hydrogen and carbon, and has a chemical formula CH4 (where the '4' is small, subscript - i.e. below the line)
The systematic name of this compound is Lead(II) Sulfate(VI), and the common name is lead sulfate.
The subscript 4 indicates the number of that type of atoms in the compound. In this case, there are four Fluorine atoms in this molecular compound.
4
Potassium Chloride (KCl) is an ionic salt of a weak acid and a weak base.
The prefix tri- means 3 and the prefix tetra- means 4. The prefix is the subscript number for the element in the compound. So the formula for triphosphorus tetrabromide is P3Br4.
potassium bromide - KBr iron (III) sulfate - Fe[subscript 2](SO[subscript 4])[subscript 3] copper (II) chloride - CuCl[subscript 2] tetraphosphorous heptanitride - P[subscript 4]N[subscript 7] ammonium carbonate - (NH[subscript 4])CO[subscript 3]
Ag3PO4 would be silver phosphate.
it means p times 4
4 2 hydrogen and 2 oxygen
Methane is a compound of hydrogen and carbon, and has a chemical formula CH4 (where the '4' is small, subscript - i.e. below the line)
8. There is 1 hydrogen atom, 3 phosphorus atoms (as indicated by the subscript 3), and 4 oxygen atoms (as indicated by the subscript 4).
1 carbon 4 bromines CBr4 (the 4 is a subscript)
The systematic name of this compound is Lead(II) Sulfate(VI), and the common name is lead sulfate.