Respuesta :
The number of atoms in a molecule is indicated by prefixes in the names of covalent compounds.
Different kinds of bonds hold together covalent and ionic molecules. Two charged ions come together to create ionic bonds. With a few notable exceptions, this will often consist of a metal and a nonmetal. The nonmetal will be negatively charged, whereas the metal will be positively charged. These charges will attract one another like magnets. Nonmetals can form covalent compounds with one another by exchanging electrons to create a bond.
Dihydrogen monoxide, for instance, is [tex]H_{2}O[/tex]. Below are a few prefixes:
1 -mono, 2 - di, 3 - tri, 4 - tetra, 5 - penta, 6 - hexa, 7 - hepta, 8 - octa, 9 - nona
The elemental name of the metal comes first in ionic compounds, followed by the name of the nonmetal. Remove the ending from the elemental name and add -ide to get the name of the nonmetal. NaCl, for instance, is sodium chloride.
Learn more about covalent compounds:
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