Chemistry: Unit 2

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The octet rule refers to every atom or ion having:<br> <input type="radio" name="q1" value="8 protons">8 protons<br> <input type="radio" name="q1" value="8 neutrons">8 neutrons<br> <input type="radio" name="q1" value="an incomplete outer (valence) shell">an incomplete outer (valence) shell<br> <input type="radio" name="q1" value="a complete outer (valence) shell">a complete outer (valence) shell<br> <p> 2. When magnesium reacts with bromine, each magnesium atom ____ electon(s) and each bromine atom ____ electron(s)<br> <input type="radio" name="q2" value="gains 2, loses 1">gains 2, loses 1<br> <input type="radio" name="q2" value="loses 2, gains 1">loses 2, gains 1<br> <input type="radio" name="q2" value="gains 2, loses 2">gains 2, loses 2<br> <input type="radio" name="q2" value="loses 1, gains 2">loses 1, gains 2<br> <p> 3. The hydrogen to chlorine bond in HCl is:<br> <input type="radio" name="q3" value="polar covalent">polar covalent<br> <input type="radio" name="q3" value="nonpolar covalent">nonpolar covalent<br> <input type="radio" name="q3" value="ionic">ionic<br> <input type="radio" name="q3" value="hydrogen">hydrogen<br> <p> 4. The sulfur to sulfur bond in S8 is:<br> <input type="radio" name="q4" value="polar covalent">polar covalent<br> <input type="radio" name="q4" value="nonpolar covalent">nonpolar covalent<br> <input type="radio" name="q4" value="ionic">ionic<br> <input type="radio" name="q4" value="hydrogen">hydrogen<br> <p> 5. The potassium to iodide bond in KI is:<br> <input type="radio" name="q5" value="polar covalent">polar covalent<br> <input type="radio" name="q5" value="nonpolar covalent">nonpolar covalent<br> <input type="radio" name="q5" value="ionic">ionic<br> <input type="radio" name="q5" value="hydrogen">hydrogen<br> <p> 6. The total number of atoms in Ba3(PO4)2 is:<br> <input type="radio" name="q6" value="5">5<br> <input type="radio" name="q6" value="8">8<br> <input type="radio" name="q6" value="12">12<br> <input type="radio" name="q6" value="13">13<br> <p> 7. One mole of carbon dioxide contains ___ oxygen atoms.<br> <input type="radio" name="q7" value="one mole of">one mole of<br> <input type="radio" name="q7" value="two moles of">two moles of<br> <input type="radio" name="q7" value="one half mole of">one half mole of<br> <input type="radio" name="q7" value="no moles of">no moles of<br> <p> 8. What is the name of F-?<br> <input type="radio" name="q8" value="Fluorine ion">Fluorine ion<br> <input type="radio" name="q8" value="Fluorine (I) ion">Fluorine (I) ion<br> <input type="radio" name="q8" value="Fluorine">Fluorine<br> <input type="radio" name="q8" value="Fluoride ion">Fluoride ion<br> <p> 9. Which of the following is the correct formula for a phosphide ion?<br> <input type="radio" name="q9" value="P3+">P3+<br> <input type="radio" name="q9" value="P3-">P3-<br> <input type="radio" name="q9" value="P5+">P5+<br> <input type="radio" name="q9" value="P5-">P5-<br> <p> 10. What is the formula for magnesium oxide?<br> <input type="radio" name="q10" value="Mg2O">Mg2O<br> <input type="radio" name="q10" value="MgO2">MgO2<br> <input type="radio" name="q10" value="MgO">MgO<br> <input type="radio" name="q10" value="Mg2O2">Mg2O2<br> <p> 11. What is the formula for sodium sulfide?<br> <input type="radio" name="q11" value="NaS2">NaS2<br> <input type="radio" name="q11" value="Na2S">Na2S<br> <input type="radio" name="q11" value="NaS">NaS<br> <input type="radio" name="q11" value="Na2S3">Na2S3<br> <p> 12. What is the formula for aluminum bromide?<br> <input type="radio" name="q12" value="Al3Br">Al3Br<br> <input type="radio" name="q12" value="AlBr3">AlBr3<br> <input type="radio" name="q12" value="Al2Br3">Al2Br3<br> <input type="radio" name="q12" value="Al3Br2">Al3Br2<br> <p> 13. What is the correct name for MgF2?<br> <input type="radio" name="q13" value="Magnesium difluoride">Magnesium difluoride<br> <input type="radio" name="q13" value="Magnesium (II) fluoride">Magnesium (II) fluoride<br> <input type="radio" name="q13" value="Magnesium fluoride">Magnesium fluoride<br> <input type="radio" name="q13" value="Dimagnesium fluoride">Dimagnesium fluoride<br> <p> 14. What is the correct formula for ferric sulfide?<br> <input type="radio" name="q14" value="Fe2S3">Fe2S3<br> <input type="radio" name="q14" value="Fe3S2">Fe3S2<br> <input type="radio" name="q14" value="Fe3S">Fe3S<br> <input type="radio" name="q14" value="Fe2S">Fe2S<br> <p> 15. What is the correct formula for chromium (II) chloride?<br> <input type="radio" name="q15" value="Cr2Cl3">Cr2Cl3<br> <input type="radio" name="q15" value="Cr2Cl">Cr2Cl<br> <input type="radio" name="q15" value="CrCl2">CrCl2<br> <input type="radio" name="q15" value="CrCl4">CrCl4<br> <p> 16. What is the correct name for Cu3P2?<br> <input type="radio" name="q16" value="Copper (III) diphosphide">Copper (III) diphosphide<br> <input type="radio" name="q16" value="Copper (III) phosphide">Copper (III) phosphide<br> <input type="radio" name="q16" value="Copper (I) phosphide">Copper (I) phosphide<br> <input type="radio" name="q16" value="Copper (II) phosphide">Copper (II) phosphide<br> <p> 17. What is the correct name for PCl5?<br> <input type="radio" name="q17" value="Phosphorous Tetrachloride">Phosphorous Tetrachloride<br> <input type="radio" name="q17" value="Phosphorous (V) chloride">Phosphorous (V) chloride<br> <input type="radio" name="q17" value="Potassium (V) chloride">Potassium (V) chloride<br> <input type="radio" name="q17" value="Phosphorous Pentachloride">Phosphorous Pentachloride<br> <p> 18. What is the correct formula for dinitrogen tetroxide?<br> <input type="radio" name="q18" value="N4O2">N4O2<br> <input type="radio" name="q18" value="NO2">NO2<br> <input type="radio" name="q18" value="N2O4">N2O4<br> <input type="radio" name="q18" value="NO4">NO4<br> <p> 19. What is the correct name for NaC2H3O2?<br> <input type="radio" name="q19" value="Sodium dichromate">Sodium dichromate<br> <input type="radio" name="q19" value="Sodium oxalate">Sodium oxalate<br> <input type="radio" name="q19" value="Sodium hydrogen carbonate">Sodium hydrogen carbonate<br> <input type="radio" name="q19" value="Sodium acetate">Sodium acetate<br> <p> 20. What is the formula for potassium sulfate?<br> <input type="radio" name="q20" value="K2SO3">K2SO3<br> <input type="radio" name="q20" value="K2SO4">K2SO4<br> <input type="radio" name="q20" value="KSO4">KSO4<br> <input type="radio" name="q20" value="K2S">K2S<br> <p> 21. What is the molar mass of Fe2(SO4)3?<br> <input type="radio" name="q21" value="207.77 g/mol">207.77 g/mol<br> <input type="radio" name="q21" value="335.76 g/mol">335.76 g/mol<br> <input type="radio" name="q21" value="399.91 g/mol">399.91 g/mol<br> <input type="radio" name="q21" value="271.91 g/mol">271.91 g/mol<br> <p> 22. How many g is 0.485 mol of Au(CN)3? The molar mass of Au(CN)3 is 275.03 g/mol.<br> <input type="radio" name="q22" value="567 g">567 g<br> <input type="radio" name="q22" value="275 g">275 g<br> <input type="radio" name="q22" value="133 g">133 g<br> <input type="radio" name="q22" value="0.00176 g">0.00176 g<br> <p> 23. The pressure of 1000 mm Hg is equal to one atmosphere<br> <input type="radio" name="q23" value="True">True<br> <input type="radio" name="q23" value="False">False<br> <input type="radio" name="q23" value=""><br> <input type="radio" name="q23" value=""><br> <p> 24. Melting and freezing occur at the same temperature.<br> <input type="radio" name="q24" value="True">True<br> <input type="radio" name="q24" value="False">False<br> <input type="radio" name="q24" value=""><br> <input type="radio" name="q24" value=""><br> <p> 25. A catalyst lowers the amount of energy released in an endothermic reaction.<br> <input type="radio" name="q25" value="True">True<br> <input type="radio" name="q25" value="False">False<br> <input type="radio" name="q25" value=""><br> <input type="radio" name="q25" value=""><br> <p> <input type="button" value="Get score" onClick="getScore(this.form)"> <input type="reset" value="Clear"><p> Score = <input type=text size=15 name="percentage"><br> Correct answers:<br> <textarea name="solutions" wrap="virtual" rows="4" cols="40"></textarea> </form> </body></html>  </div> <bR> <bR> <DIV ALIGN="LEFT"></DIV> <div> <A HREF="#top" TITLE="Chemistry: Unit 2"><U>Return to the top</U></A></div> <bR> <bR> <bR> <div> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="526" BORDERCOLORLIGHT="#FFCC80" BORDERCOLORDARK="#FFCC80" FRAME="VOID" RULES="NONE" ALIGN="BOTTOM" HSPACE="0" VSPACE="0" BGCOLOR=#FFCC80 > <tR> <tD VALIGN=TOP BGCOLOR=#FFCC80 HEIGHT= 16 WIDTH="526"><IMG BORDER="0" SRC="1x1.gif" HEIGHT="16" ALIGN="bottom" WIDTH="526" HSPACE="0" VSPACE="0"></tD> </tR> </TABLE></div> <bR> <div> Advertisements:</div> <div> <B> <br> <center><a href="http://wwnurse.com/cgi-local/adcredir.pl" target="_top"> <script> document.write('<img src="http://wwnurse.com/cgi-local/adcnet.pl?kcsun33&'+Math.random()+'" border="0" width="468" height="60"></a><br><a href="http://wwnurse.com/cgi-local/adcclick.pl?kcsun33" target="_top"><img src="http://wwnurse.com/NurseLink/images/network.gif" border="0" width="468" height="20"></a>'); </script> </center>   </b></div> <bR> <div> <B>   <table cellpadding=0 cellspacing=0 border=0 width=468><tr> <td align="center"><IFRAME SRC="http://ibg.hitbox.com/ace?id=44313&hb=WQ501024IHZW48EN5" width=468 height=60 marginwidth=0 marginheight=0 frameborder=0 scrolling=no> <a target="_top" href="http://ics.hitbox.com/csr?id="><img src="http://ibg.hitbox.com/ace?id=44313&hb=WQ501024IHZW48EN5&i=n" border=0 width=468 height=60 alt="Click Here"></a></IFRAME></td></tr> <tr><td><A href="http://counter.hitbox.com/a/joinbar.cgi" target="_top"> <IMG SRC="http://hg1.hitbox.com/HG?hc=wf155&l=y&hb=WQ501024IHZW48EN5&cd=1&n=Chem2" height=15 width=468 ALT="Click Here!" border=0></A></td></tr></table>    </b></div> </td> </tr><tr> <td valign="top" colspan=2 height=30 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <B> Copyright </b><B>© 2000-2002 Stephanie Thibeault, The Student Nurse Forum</b></div> <div> <A HREF="id24.htm" TARGET="_top" TITLE="About This Site"><U>About This Site</U></A>     <A HREF="id127.htm" TARGET="_top" TITLE="Privacy"><U>Privacy</U></A>     <A HREF="id128.htm" TARGET="_top" TITLE="Disclaimer"><U>Disclaimer</U></A>     <A HREF="id129.htm" TARGET="_top" TITLE="Copyright"><U>Copyright</U></A>     <A HREF="id130.htm" TARGET="_top" TITLE="Terms Conditions"><U>Terms & Conditions</U></A>     <A HREF="id25.htm" TARGET="_top" TITLE="Contact Us"><U>Contact Us</U></A>    <A HREF="id41.htm" TARGET="_top" TITLE="Site Map"><U>Site Map</U></A></div> <bR> </td> </tr></table></body>