Chemical Formulas And Names Of Ionic Compounds Worksheet Naming Chemical Compounds Answers Name the following ionic compounds 1 NaBr sodium bromide 2 CaO calcium oxide 3 Li 2 S lithium sulfide 4 MgBr 2 magnesium bromide 5 Be OH 2 beryllium hydroxide Write the formulas for the following ionic compounds 6 potassium iodide KI 7 magnesium oxide MgO 8 aluminum chloride AlCl 3
Nomenclature a collection of rules for naming things is important in science and in many other situations This module describes an approach that is used to name simple ionic and molecular compounds such as NaCl CaCO 3 and N 2 O 4 The simplest of these are binary compounds those containing only two elements but we will also consider how to name ionic compounds containing polyatomic ions Leave out all charges and all subscripts that are 1 AlN AlN Li2O Li 2 O An alternative way to writing a correct formula for an ionic compound is to use the crisscross method In this method the numerical value of each of the ion charges is crossed over to become the subscript of the other ion
Chemical Formulas And Names Of Ionic Compounds Worksheet
Chemical Formulas And Names Of Ionic Compounds Worksheet
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Binary Ionic Compounds Binary ionic compounds are composed of two elements one with a positive charge and one with a negative charge The chemical formula of a binary ionic compound includes the cation s symbol followed by the anion s symbol with subscripts that balance positive and negative charges To name main group anions we add the suffix ide to the end of the element s name Cations and anions combine to form ionic compounds Ionic compounds are named with the cation first and the anion last The same convention is used when writing their chemical formulas Ionic compounds must be electrically neutral
Ionic Compounds Worksheet 1 Formulas and Names Write chemical formulas for the compounds in each box Fill in the correct chemical formula chemical name for each ionic compound formed from the pairs of ions shown A few have been filled in as examples Cl CO 3 2 OH S2 PO 4 3 N3 Na NaCl sodium chloride NH 4 NH 4 2 S ammonium Ionic compounds are held together by ionic bonds They are named using the cation name first followed by the anion name excluding the word ion For example sodium ion Na and chloride ion Cl form the compound sodium chloride Its formula is NaCl which is electrically neutral because sodium ion is 1 and chloride ion is 1
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Rules for Naming Ionic Compounds First balance the chemical formula for mass and charge An ionic compound is electrically neutral In other words the positive electrical charges of the cations exactly balance the negative electrical charges of the anion Write the element name of the cation first This is almost always a metal Learn for free about math art computer programming economics physics chemistry biology medicine finance history and more Khan Academy is a nonprofit with the mission of providing a free world class education for anyone anywhere
Nomenclature a collection of rules for naming things is important in science and in many other situations This module describes an approach that is used to name simple ionic and molecular compounds such as NaCl CaCO 3 and N 2 O 4 The simplest of these are binary compounds those containing only two elements but we will also consider how to name ionic compounds containing polyatomic ions All ionic compounds follow this rule the charge from the positive ions must be equal to the charge from the negative ions In a compound of aluminum ion Al3 and nitrate ion NO3 1 there must be three nitrate ions So the formula for this compound is Al NO3 3 Recall that nitrate is a polyatomic ion so this combination of atoms remains
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Chemical Formulas And Names Of Ionic Compounds Worksheet - AboutTranscript Ionic compounds are neutral compounds made up of positively charged ions called cations and negatively charged ions called anions For binary ionic compounds ionic compounds that contain only two types of elements the compounds are named by writing the name of the cation first followed by the name of the anion