21st October 2019

lumenlearning

13

How do you name an anion?

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An ionic compound is named first by its cation and then by its anion. The cation has the same name as its element. For example, K⁺¹ is called the potassium ion, just as K is called the potassium atom. The anion is named by taking the elemental name, removing the ending, and adding “-ide.”

Herein, what is an example of a monatomic ion?

A monatomic ion is an ion consisting of exactly one atom. If an ion contains more than one atom, even if these are of the same element, it is called a polyatomic ion. For example, calcium carbonate consists of the monatomic ion Ca²⁺ and the polyatomic ion CO₃²⁻.

Which elements are Monatomic?

The noble gases exist as monatomic elements:

helium (He)
neon (Ne)
argon (Ar)
krypton (Kr)
xenon (Xe)
radon (Rn)
oganesson (Og)

What is the most stable monatomic ion formed from nitrogen?

Fluorine is a group 7A element. Neutral atom of Fluorine has 7 valence electrons. To acquire noble gas configuration it has only 1 less electron so it gains 1 electron and complete its valence shell and acquire stable configuration so the most stable mono atomic ion formed by Fluorine is F^-1.

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How do you name bases?

Therefore, strong bases are named following the rules for naming ionic compounds. For example, NaOH is sodium hydroxide, KOH is potassium hydroxide, and Ca(OH)₂ is calcium hydroxide. Weak bases made of ionic compounds are also named using the ionic naming system.

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How do you name a salt?

The first part of the name comes from the metal in the metal oxide, hydroxide or carbonate. The second part of the name comes from the acid used to make it. The names of salts made from hydrochloric acid end in chloride, while the names of salts made from sulphuric acid end in sulphate.

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How do you create a chemical formula?

Part 1 Writing Chemical Formulas of Covalent Compounds

Memorize the prefixes for number of atoms.
Write the chemical symbol for the first element.
Add the number of atoms as a subscript.
Write the chemical symbol for the second element.
Add the number of atoms present as a subscript.
Practice with some examples.

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How do you name a binary acid?

Rules for naming binary acids:

As the pure compound (ie - in the gaseous or liquid state), start with 'hydrogen' follow by the anion name ending in '-ide'.
As aqueous acid solutions, start with 'hydro-'. change the anion name to end with '-ic'. add the word 'acid' at the end.

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How do you name an Oxyacid?

An oxyacid with two less oxygen atoms than the (root)ic acid is named by writing hypo-, then the root of the name for the element other than hydrogen and oxygen, then -ous, and then acid. Therefore, HClO, is hypochlorous acid.

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How are the formulas of acids determined?

To write the formula for a binary molecular compound, write the symbols for the elements and use the prefixes to determine the subscripts. An acid is a combination of a monatomic or polyatomic anion with sufficient hydrogen atoms to make the compound electrically neutral.

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What is a monatomic ion examples?

Monatomic ion. A monatomic ion is an ion consisting of exactly one atom. If an ion contains more than one atom, even if these are of the same element, it is called a polyatomic ion. For example, calcium carbonate consists of the monatomic ion Ca²⁺ and the polyatomic ion CO₃²⁻.

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How do you know what subscript to use in a chemical formula?

The subscripts in a chemical formula are the small numbers that you may see written in the formula. These subscripts indicate the number of atoms of each given element that are contained in the compound. Consider a very common chemical compound, water.

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How do you name the anion?

An ionic compound is named first by its cation and then by its anion. The cation has the same name as its element. For example, K⁺¹ is called the potassium ion, just as K is called the potassium atom. The anion is named by taking the elemental name, removing the ending, and adding “-ide.”

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What is the molecular compound?

Binary molecular compounds are composed of only two elements. Molecular compounds are more difficult to name because the atoms combine through covalent and not ionic bonds. Therefore we cannot use the electrical neutrality rule for these compounds. Most molecular compounds are made from nonmetals.

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What is a covalent compound?

A covalent compound is made when two or more nonmetal atoms bond by sharing valence electrons. The shared valence electrons between two nonmetal atoms is called a covalent bond. Covalent bonds are formed when two atoms begin sharing electrons. The electrons are attracted to the positively charged nuclei of the atoms.

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What is the most stable monatomic ion formed from nitrogen?

Fluorine is a group 7A element. Neutral atom of Fluorine has 7 valence electrons. To acquire noble gas configuration it has only 1 less electron so it gains 1 electron and complete its valence shell and acquire stable configuration so the most stable mono atomic ion formed by Fluorine is F^-1.

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How do you write the name for monatomic anions?

Naming Ions (Nomenclature): Simple cations are named by saying the element and adding the word “ion.” Simple anions are named by dropping the ending off the element name and adding “ide.”

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What is the definition of binary acid?

Binary acids or Hydracids are certain molecular compounds in which hydrogen is combined with a second nonmetallic element. Examples: HF.

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What is the charge of the chloride ion?

When it does so, the outer valence shell of the Chlorine will be filled with eight electrons and so it will be stable. However, now it has one more electron than it has protons so it has a net charge of -1. It is now called the Chloride ion. Thus Chloride ions are stable and have a net charge of -1.

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What is a polyatomic ion in chemistry?

A polyatomic ion, also known as a molecular ion, is a charged chemical species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit. The prefix poly- means "many," in Greek, but even ions of two atoms are commonly referred to as polyatomic.

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How do you know the name of an ion?

Method 1 Basic Ionic Compounds

Write down the formula of the ionic compound.
Write the name of the metal, or the cation.This is the positively charged ion in the compound, and it is always written first in ionic compound formulas.
Write the name of the nonmetal, or the anion, with the "-ide" ending.
Combine the names.

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What does it mean to be a molecular compound?

A molecular compound can be defined as a compound where the atoms share electrons through covalent bonds. It is also known as a covalent compound. The covalent bonds are what hold the molecule together.When atoms share electrons, they are able to have a full outer electron shell.

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How do you write a chemical formula?

Ionic compounds are neutral compounds made of positive cations and negative anions. Writing the chemical formula for ionic compounds is fairly easy. Write the cation symbol, then the anion symbol. Find the lowest common multiple for the ions to make the compound neutral.

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How do you know if a compound is ionic?

There is a couple different ways to determine if a bond is ionic or covalent. By definition, an ionic bond is between a metal and a nonmetal, and a covalent bond is between 2 nonmetals. So you usually just look at the periodic table and determine whether your compound is made of a metal/nonmetal or is just 2 nonmetals.

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