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What is the formula for ionic and covalent compounds?

Nomenclature of Covalent Compounds

Formula of Ionic Compounds Cation and Name of Cation Anion and Name of Anion
NaCl Na+, sodium ion Cl–, chloride ion
AlPO4 Al3+, aluminum ion PO43–, phosphate ion
CuSO4 Cu2+, copper(II) ion SO42–, sulfate ion
KNO3 K+, potassium ion NO3–, nitrate ion

How do you write chemical formulas and names for covalent compounds?

The first element in the formula is simply listed using the name of the element. The second element is named by taking the stem of the element name and adding the suffix -ide. A system of numerical prefixes is used to specify the number of atoms in a molecule.

What are the names and formulas of ionic compounds?

Examples of Ionic Compounds

Compound Name Formula Cation
lithium fluoride LiF Li+
sodium chloride NaCl Na+
calcium chloride CaCl2 Ca2+
iron(II) oxide FeO Fe2+

What is ionic compound formula?

To find the formula of an ionic compound, first identify the cation and write down its symbol and charge. Then, identify the anion and write down its symbol and charge. Finally, combine the two ions to form an electrically neutral compound.

How do you write chemical formulas for ionic compounds?

How do you write chemical formulas with names?

When writing formula, the positive atom or ion comes first followed by the name of the negative ion. The chemical name for common table salt is sodium chloride. The periodic table shows that the symbol for sodium is Na and the symbol for chlorine is Cl. The chemical formula for sodium chloride is NaCl.

What are examples of covalent compounds?

Covalent compound examples include water, ammonia, chlorine gas, and nitrogen gas. Covalent compounds or molecular compounds are chemical compounds made of elements connected by covalent bonds.

How can you tell if a compound is ionic or covalent?

In order to determine whether a compound is ionic or covalent , take the difference of the two. If the number is less than 1.7, then it is covalent. If it is greater then it is ionic.

LiF – lithium fluoride.

  • LiCl – lithium chloride.
  • LiBr – lithium bromide.
  • LiI – lithium iodide.
  • NaF – sodium fluoride.
  • NaCl – sodium chloride.
  • NaBr – sodium bromide.
  • NaI – sodium iodide.

    • What are the rules in naming ionic compounds?

    In naming the transition metal oxides,add a Roman numeral in parenthesis straight after the name of the transition metal ion.

  • Do not put a space in between.
  • The Roman numeral must have the same value as the charge of the ion. Then add the name of the anion – “IDE” at the end.

    • What are 10 examples of covalent compounds?

    Hydrogen Chloride. Hydrogen Chloride (HCl) is another polar molecule,where the electron pair is pulled more towards the chlorine atom,which has a higher electronegativity.

  • Water. In Water (H 2 O) molecule,two hydrogen atoms share their single electrons with the oxygen atom,which shares its own two electrons in return.
  • Hydrogen.
  • Ammonium Chloride.