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-ate has more oxygen than -ite.

The full range of this naming strategy is illustrated by chloroxy ions:

  • hypochlorite: ClO-
  • chlorite: ClO2-
  • chlorate: ClO3-
  • perchlorate: ClO4-
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14y ago
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13y ago

Both mean that the polyatomic ion contains oxygen along with another less electronegative element. "-ate" means that the polyatomic ion contains the number of oxygen atoms that was considered "normal" for the other electronegative element sometime during the 19th century when the system was introduced. "ite" means one oxygen atom less than the "-ate for the same other less electronegative element than oxygen. "-ate" means four oxygen atoms per polyatomic ion for sulfate and phosphate but only three oxygen atoms per polyatomic ion for chlorate and the other halates. One oxygen atom more than the "-ate" ion adds a "per" prefix to the basic "-ate" name, and one oxygen atom less than in an '-ite" ion adds a "hypo" before the basic "-ite" name. Example for one element: ClO3-1 is chlorate; ClO4-1 is perchlorate;

ClO2-1 is chlorite; and ClO-1 is hypochlorite.

There are many other possible complications in naming polyatomic anions; don't assume this covers everything.

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10y ago

for ate they would end with -ic

for ite I'm not sure

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10y ago

yes, the anions will generally end that way.

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14y ago

they indicate the presence of oxygen

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6y ago

These compounds are salts.

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Q: What does an -ite or -ate ending in a polytomic ion mean?
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What does an -ite or -ate ending in a polyatomic ion mean?

The -ite or -ate ending in a polyatomic ion is simply an indication of the amount of oxygen atoms present. The -are ending is used in the base form. If the polyatomic ion has one less oxygen atom than the -ate form, the -ite form applies.


What does a ite or ate ending in a polyatomic ion mean?

The -ite or -ate ending in a polyatomic ion is simply an indication of the amount of oxygen atoms present. The -are ending is used in the base form. If the polyatomic ion has one less oxygen atom than the -ate form, the -ite form applies.


What does the suffix -ate mean in chem?

For polyatomic anions containing oxygen, or oxyions, the most common for of the ion has a name ending in -ate.


What is polytomic ion?

A Polyatomic ion is a covalently bonded group of atoms that has a positive or negative charge and acts as a unit


What is the charge on the polyatomic ion cyanide?

The charge on the polytomic ion cyanide is -1.


What are the usual ending for the names of polyatomic ion?

ite or ate


Is a hydroxide ion positive charge?

No. The hydroxide ion has a negative charge as do all ions ending in -ide, -ite, or -ate.


What does the ide ending in a polyatomic ion mean?

The ide ending in a polyatomic ion actually has no practical meaning involved. The polyatomic compounds that do contain the ide ending have it because they were thought to be monatomic at one time.


What elements make up lithium and nitrate?

Lithium is an element itself, it is simply Li. Nitrate is Nitrogen and Oxygen, the -ate ending denoting an oxide ion!


What would an acid of platoate be named?

Platoic Acid When naming acids that have a (fictional, in this case) polyatomic ion that ends in -ate, drop that ending and change it to -ic. For example, an acid with the nitrate ion becomes nitric acid.


What is the meaning of the suffix -ate-?

It can be (precipitate, neonate), but it is usually a verb form when added to nouns (alien-alienate, decor-decorate). The suffix -ion or -tion is a noun form for those verbs. The ending -ate is also seen in adjectives (profligate).


If the name of a poly atomic ion ends in 'ate' what letters will be the formed from it end?

It will end in -ic acid. For example perchlorate --> perchloric acid