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6.5 Molecular Compounds: Sharing Electrons
The formula for the ionic compounds should be correct.
Write its formula if it is given the name of a molecular compound.
There are more than one type of compound.
Water and carbon dioxide are both chemical compounds.
A molecule is a group of atoms in a definite proportion.
A molecule of water has two atoms of hydrogen and one atom of oxygen.
Adding sugar to iced tea is a molecule of sugar called C12H22O11.
Other familiar compounds include alcohol, propane, and Prozac.
A prefix is shown in front of the element's name when a subscript indicates two or more atoms.
Several different pounds can be formed from the same two nonmetals, so the names of the compounds need to be changed.
10 deca was omitted.
CO is also known as carbon monoxide.
Nitrogen is the first nonmetal in NCl3.
chloride is the second nonmetal.
The number of atoms is indicated by adding prefixes.
There is only one nitrogen atom.
Nitrogen trichloride is called NCl3.
The names of two nonmetals are given along with the number of atoms of each in the name of a compound.
The symbol for each element and a subscript are used to write the formula from the name.
We have looked at strategies for naming compounds.
The compound is usually ionic if the first element is a metal.
It is necessary to determine if the metal can form more than one type of positive ion, and if so, a Roman numeral following the name of the metal indicates the particular ionic charge.
The positively charged polyatomic ion, NH + 4 is one of the exceptions.
Polyatomic ion is a type of ion found in compounds with three or more elements.
K3P consists of a metal and a nonmetal.
K is a representative element in Group 1A.
The phosphide ion, P3-, is formed by the element Phosphorus as a representative element in Group 5A.
The name of the cation is followed by the name of the anion.
2 4 consists of a cation of a transition element and a polyatomic ion SO4 Ni forms more than one type of ion.
The Roman phorus pentoxide is a numeral written after the metal name nickel.
nickel(II) sulfate is a compound.
SO3 has two nonmetals, which indicates that it is a compound.
The first element is sulfur.
The compound is called sulfur trioxide.
The naming of ionic and molecular compounds is shown in a diagram.
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