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You need to indicate the charge of the cation when you are dealing with most transition metals or big metals like Pb or Bi. Unlike group 1 or group 2 elements, transition metals are typically capable of forming cations with many different charges. To give an extreme example, molybdenum can form cations with charges of +6, +5, +4, +3, and +2. So if someone were to say "molybdenum chloride", it could be any one of five compounds: MoCl2, MoCl3, MoCl4, MoCl5, MoCl6 To differentiate them you need to indicate the charge of the molybdenum: Molybdenum (II) chloride = MoCl2 Molybdenum (III) chloride = MoCl3 Molybdenum (IV) chloride = MoCl4 Molybdenum (V) chloride = MoCl5 Molybdenum (VI) chloride = MoCl6

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Related Questions

Binary ionic compounds are named in what pattern?

Binary ionic compounds are named by first stating the name of the cation (metal) followed by the name of the anion (nonmetal) with an -ide ending.


Are Ionic compounds named using numerical prefixes?

No, Ionic compounds are named using the names of the individual ions that make up the compound. Numerical prefixes are used in naming molecular covalent compounds.


When naming binary ionic compounds are the nonmetal is named first?

No, the metal is named first in binary ionic compounds. The name of the metal cation is followed by the name of the nonmetal anion, with the nonmetal's name ending in "-ide". For example, NaCl is named sodium chloride.


How are nonmetals in ionic compounds named?

Nonmetals(anion) are written second after the metal(cation).


How are polyatomic ions named in ionic compounds?

If the compound contains a polyatomic ion, simply name the ion.


Do Greek Prefixes appear in the names of ionic or covalent compounds?

because they are the 1st discoverers.


Why do molecules and ionic compounds have to follow different rules when being named?

Molecules are composed of nonmetals and follow covalent bonding rules, while ionic compounds are composed of metals and nonmetals and follow ionic bonding rules. Naming conventions differ because the way elements combine in molecules and ionic compounds is distinct, leading to different naming systems.


What do you call a compound that is held together by an ionic bond?

most ionic compounds are salt


What do you call compounds that have been formed through ionic bonding?

Ionic compounds.


How are metals named an ionic compound Nonmetals Polyatomic ions?

Metals in ionic compounds are named by using the metal's elemental name followed by the nonmetal's name with an "-ide" ending (e.g. sodium chloride). Nonmetals in ionic compounds use the nonmetal's elemental name followed by the metal's name with an "-ide" ending (e.g. oxygen and magnesium make magnesium oxide). Polyatomic ions maintain their specific names in ionic compounds (e.g. sulfate, nitrate, carbonate).


How does the melting point of ionic compounds compared to that of covalent compounds?

Ionic compounds generally have higher melting and boiling points.


Ionic compounds often have higher melting point than metals. Using at least 2 properties of ionic compounds explain why is cookware not made from ionic compounds?

Cookware needs to have good thermal conductivity, while ionic compounds have poor conductivity. Additionally, ionic compounds are brittle and prone to shattering when subjected to mechanical stress, making them unsuitable for cookware that requires durability and resistance to impact.