Worksheet 2 - what type of bond(ionic or covalent is...

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Chem 142, Winter 2012 Name ______________________ 1 of 3 Group Activity 2: Atomic Structure, Atoms and Ions, Naming Compounds 1. Answer the following questions concerning the nature of the atom. a. Complete the following table: Subatomic Particle Symbol Electrical Charge Location in Atom e- Neutron 1+ b. Which subatomic particles make the greatest contribution to the mass of an atom? c. Which subatomic particles make the greatest contribution to the chemical properties of an atom? 2. Write the symbol for the following ( X A Z ) a. An isotope with Z = 12, A = 23 b. An ion with 23 protons, 28 neutrons and 20 electrons c. An ion with 34 protons, 45 neutrons and 36 electrons d. An isotope with a mass number of 238 and an atomic number of 92
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Chem 142, Winter 2012 Name _____________________________ 2 of 3 3. Complete the following table by writing the name for the given compounds and
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Unformatted text preview: what type of bond (ionic or covalent) is expected. Compound Ionic or Covalent Name CaCl 2 CO K 3 PO 4 N 2 O MgF 2 4. Complete the following table by providing the name or formula for each compound. Chemical Formula Name SF 6 sodium carbonate manganese (IV) oxide SnF 2 NH 4 NO 3 sodium nitrite Cr 2 (CO 3 ) 3 HBr sulfuric acid NaOH NaOCl Ag 2 CrO 4 Chem 142, Winter 2012 Name _____________________________ 3 of 3 5. Predict the formula and the name of the binary compound formed from the following pairs of elements. a. Ca and N Formula _____________ Name ____________________________________ b. Mg and S Formula _____________ Name ____________________________________ c. Rb and F Formula _____________ Name ____________________________________ d. Cs and P Formula _____________ Name ____________________________________...
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Worksheet 2 - what type of bond(ionic or covalent is...

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