Ionic Formula Name of Ionic Compound Al2o3 Aluminum Oxide

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Ionic Formula Name of Ionic Compound Al2O3 Aluminum Oxide Noble gas Element ion formed it becomes like Ba3N2 barium nitride +2 Ba ___Ba __ Xenon Cs2O Cesium Oxide At ___At-1__ Radon CaO calcium oxide -2 O ___O __ Neon Li2O lithium oxide +3 Ga ___Ga __ Argon Rb3N Rubidium Nitride +1 Cs ___Cs __ Xenon -3 Na3N sodium nitride Bi ___Bi __ Radon -1 Ca3N2 Calcium nitride Br ___Br __ Krypton MgCl2 magnesium chloride SrSe Strontium selenide Cs2S Cesium sulfide Al2S3 aluminum sulfide Element A Element B Ionic or Covalent Write formula for compound Ionic Compound Name B N covalent BN Na Se ionic Na2Se Sodium Selenide ionic Sr3P2 Strontium Phosphide P Sr P S covalent P2S3 Si C covalent SiC Po Cl covalent PoCl2 As Ca ionic Ca3As2 Calcium Arsenide Al I ionic AlI3 Aluminum Iodide Mg At ionic MgAt2 Magnesium Astatide Remember that for ionic compounds, the positive ion or the element that is a metal always comes first in the chemical formula and the compound name. Write the chemical formula for the following ionic compounds: a. Calcium Nitride Ca3N2 b. Potassium Phosphide K3P c. Strontium Iodide SrI2 d. Beryllium Phosphide Be3P2 e. Sodium Nitride Na3N Br-1 means that when the element Bromine combines with another element, it will: A. gain one electron B. loose one electron C. gain one proton D. gain 1 proton and loose 1 electron Mg+2 means that when the element Magnesium combines with another element, it will: A. gain two electrons B. loose two electrons C. gain two protons D. loose two protons For the exam: 1) Know ‘ions’ and how they are formed – cations & anions. 2) Know how to determine if an element is a metal, nonmetal, or metalloid 3) Know how to determine when elements combine if they combine with ionic bonds or covalent bonds. 4) Know how to determine the chemical formula for ionic and covalent compounds. 5) Know how to determine the compound name for ionic compounds. 6) Study the lecture notes on Mrs. Shankles’ website titled “Chemical_Compounds_Bonds”. a. there are multiple choice questions on the exam. .

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